40653756560 has 20 divisors (see below), whose sum is σ = 94519984188. Its totient is φ = 16261502592.

The previous prime is 40653756551. The next prime is 40653756569. The reversal of 40653756560 is 6565735604.

It is an interprime number because it is at equal distance from previous prime (40653756551) and next prime (40653756569).

It can be written as a sum of positive squares in 2 ways, for example, as 13120327936 + 27533428624 = 114544^2 + 165932^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (40653756569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254085899 + ... + 254086058.

Almost surely, 2^40653756560 is an apocalyptic number.

40653756560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40653756560 is an abundant number, since it is smaller than the sum of its proper divisors (53866227628).

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

40653756560 is a wasteful number, since it uses less digits than its factorization.

40653756560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508171970 (or 508171964 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 40653756560 in words is "forty billion, six hundred fifty-three million, seven hundred fifty-six thousand, five hundred sixty".