40852250528640 has 64 divisors (see below), whose sum is σ = 130216548566160. Its totient is φ = 10893933473792.

The previous prime is 40852250528633. The next prime is 40852250528669. The reversal of 40852250528640 is 4682505225804.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 10638604989 + ... + 10638608828.

Almost surely, 2^{40852250528640} is an apocalyptic number.

40852250528640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40852250528640 is an abundant number, since it is smaller than the sum of its proper divisors (89364298037520).

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

40852250528640 is a wasteful number, since it uses less digits than its factorization.

40852250528640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21277213839 (or 21277213827 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 51.

The spelling of 40852250528640 in words is "forty trillion, eight hundred fifty-two billion, two hundred fifty million, five hundred twenty-eight thousand, six hundred forty".