23625671440 has 60 divisors (see below), whose sum is σ = 63897808716. Its totient is φ = 8100228864.

The previous prime is 23625671413. The next prime is 23625671471. The reversal of 23625671440 is 4417652632.

It can be written as a sum of positive squares in 2 ways, for example, as 9041727744 + 14583943696 = 95088^2 + 120764^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 23625671393 and 23625671402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3009559 + ... + 3017398.

Almost surely, 2^23625671440 is an apocalyptic number.

23625671440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23625671440 is an abundant number, since it is smaller than the sum of its proper divisors (40272137276).

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

23625671440 is a wasteful number, since it uses less digits than its factorization.

23625671440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026984 (or 6026971 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 23625671440 in words is "twenty-three billion, six hundred twenty-five million, six hundred seventy-one thousand, four hundred forty".