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1400440421140 = 22575839234079
BaseRepresentation
bin10100011000010000110…
…000001111101100010100
311221212210002201111200221
4110120100300033230110
5140421100221434030
62551204202244124
7203115135112465
oct24302060175424
94855702644627
101400440421140
1149aa18121202
121a74b87b6644
13a20a3c2b8b7
144bad2cd2d6c
1526666b59e7a
hex14610c0fb14

1400440421140 has 24 divisors (see below), whose sum is σ = 2941313034240. Its totient is φ = 560102235168.

The previous prime is 1400440421123. The next prime is 1400440421189. The reversal of 1400440421140 is 411240440041.

It is a super-2 number, since 2×14004404211402 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465380 + ... + 4768699.

It is an arithmetic number, because the mean of its divisors is an integer number (122554709760).

Almost surely, 21400440421140 is an apocalyptic number.

1400440421140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400440421140 is an abundant number, since it is smaller than the sum of its proper divisors (1540872613100).

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

1400440421140 is a wasteful number, since it uses less digits than its factorization.

1400440421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241671 (or 9241669 counting only the distinct ones).

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

Adding to 1400440421140 its reverse (411240440041), we get a palindrome (1811680861181).

The spelling of 1400440421140 in words is "one trillion, four hundred billion, four hundred forty million, four hundred twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7583 15166 30332 37915 75830 151660 9234079 18468158 36936316 46170395 92340790 184681580 70022021057 140044042114 280088084228 350110105285 700220210570 1400440421140