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41231505440 = 255257696909
BaseRepresentation
bin100110011001100101…
…101101100000100000
310221102111100111101002
4212121211231200200
51133420231133230
630535210131132
72656520004446
oct463145554040
9127374314332
1041231505440
1116539123334
127ba8420aa8
133b71257cc8
141dd1d7cb96
151114b97545
hex99996d820

41231505440 has 24 divisors (see below), whose sum is σ = 97409431980. Its totient is φ = 16492602112.

The previous prime is 41231505409. The next prime is 41231505461. The reversal of 41231505440 is 4450513214.

It can be written as a sum of positive squares in 2 ways, for example, as 39319717264 + 1911788176 = 198292^2 + 43724^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128848295 + ... + 128848614.

Almost surely, 241231505440 is an apocalyptic number.

41231505440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41231505440 is an abundant number, since it is smaller than the sum of its proper divisors (56177926540).

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

41231505440 is a wasteful number, since it uses less digits than its factorization.

41231505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257696924 (or 257696916 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 41231505440 in words is "forty-one billion, two hundred thirty-one million, five hundred five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 257696909 515393818 1030787636 1288484545 2061575272 2576969090 4123150544 5153938180 8246301088 10307876360 20615752720 41231505440