40533025664 has 32 divisors (see below), whose sum is σ = 80832286800. Its totient is φ = 20245706752.

The previous prime is 40533025627. The next prime is 40533025733. The reversal of 40533025664 is 46652033504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37004 + ... + 287115.

Almost surely, 2^40533025664 is an apocalyptic number.

It is an amenable number.

40533025664 is a deficient number, since it is larger than the sum of its proper divisors (40299261136).

40533025664 is an equidigital number, since it uses as much as digits as its factorization.

40533025664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325110 (or 325098 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 40533025664 in words is "forty billion, five hundred thirty-three million, twenty-five thousand, six hundred sixty-four".