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12400044401140 = 22511407913818053
BaseRepresentation
bin1011010001110001110000…
…1111011110000111110100
31121220102200102012021200221
42310130130033132013310
53111130242331314030
642212300213544124
72416605442221634
oct264343417360764
947812612167627
1012400044401140
113a50913883460
121483265945044
136bc41c2a5a96
1430c245a1c6c4
15167848689e7a
hexb471c3de1f4

12400044401140 has 48 divisors (see below), whose sum is σ = 28414340801280. Its totient is φ = 4508001284480.

The previous prime is 12400044401099. The next prime is 12400044401149. The reversal of 12400044401140 is 4110444000421.

It is a super-2 number, since 2×124000444011402 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400044401149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6011647 + ... + 7806406.

It is an arithmetic number, because the mean of its divisors is an integer number (591965433360).

Almost surely, 212400044401140 is an apocalyptic number.

12400044401140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400044401140 is an abundant number, since it is smaller than the sum of its proper divisors (16014296400140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12400044401140 is a wasteful number, since it uses less digits than its factorization.

12400044401140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822152 (or 13822150 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12400044401140 its reverse (4110444000421), we get a palindrome (16510488401561).

The spelling of 12400044401140 in words is "twelve trillion, four hundred billion, forty-four million, four hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 4079 8158 16316 20395 40790 44869 81580 89738 179476 224345 448690 897380 13818053 27636106 55272212 69090265 138180530 151998583 276361060 303997166 607994332 759992915 1519985830 3039971660 56363838187 112727676374 225455352748 281819190935 563638381870 620002220057 1127276763740 1240004440114 2480008880228 3100011100285 6200022200570 12400044401140