40238647624 has 32 divisors (see below), whose sum is σ = 91297774080. Its totient is φ = 16230714624.

The previous prime is 40238647613. The next prime is 40238647627. The reversal of 40238647624 is 42674683204.

It is not an unprimeable number, because it can be changed into a prime (40238647627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21132792 + ... + 21134695.

It is an arithmetic number, because the mean of its divisors is an integer number (2853055440).

Almost surely, 2^40238647624 is an apocalyptic number.

It is an amenable number.

40238647624 is an abundant number, since it is smaller than the sum of its proper divisors (51059126456).

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

40238647624 is a wasteful number, since it uses less digits than its factorization.

40238647624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42267517 (or 42267513 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 40238647624 in words is "forty billion, two hundred thirty-eight million, six hundred forty-seven thousand, six hundred twenty-four".