23625812440 has 16 divisors (see below), whose sum is σ = 53158078080. Its totient is φ = 9450324960.

The previous prime is 23625812429. The next prime is 23625812471. The reversal of 23625812440 is 4421852632.

It is a self number, because there is not a number n which added to its sum of digits gives 23625812440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295322616 + ... + 295322695.

It is an arithmetic number, because the mean of its divisors is an integer number (3322379880).

Almost surely, 2^23625812440 is an apocalyptic number.

23625812440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23625812440 is an abundant number, since it is smaller than the sum of its proper divisors (29532265640).

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

23625812440 is a wasteful number, since it uses less digits than its factorization.

23625812440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590645322 (or 590645318 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 23625812440 in words is "twenty-three billion, six hundred twenty-five million, eight hundred twelve thousand, four hundred forty".