23788522640 has 40 divisors (see below), whose sum is σ = 55319489088. Its totient is φ = 9513486720.

The previous prime is 23788522631. The next prime is 23788522661. The reversal of 23788522640 is 4622588732.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×23788522640³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408125 + ... + 462755.

Almost surely, 2^23788522640 is an apocalyptic number.

23788522640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23788522640 is an abundant number, since it is smaller than the sum of its proper divisors (31530966448).

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

23788522640 is a wasteful number, since it uses less digits than its factorization.

23788522640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60087 (or 60081 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 23788522640 in words is "twenty-three billion, seven hundred eighty-eight million, five hundred twenty-two thousand, six hundred forty".