5251500023940 has 72 divisors (see below), whose sum is σ = 15931179071808. Its totient is φ = 1400256797760.

The previous prime is 5251500023797. The next prime is 5251500023963. The reversal of 5251500023940 is 493200051525.

It is a happy number.

5251500023940 is a `hidden beast` number, since 52 + 515 + 0 + 0 + 0 + 2 + 3 + 94 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5251500023895 and 5251500023904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279129 + ... + 3252831.

Almost surely, 2^{5251500023940} is an apocalyptic number.

It is an amenable number.

5251500023940 is an abundant number, since it is smaller than the sum of its proper divisors (10679679047868).

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

5251500023940 is a wasteful number, since it uses less digits than its factorization.

5251500023940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983529 (or 2983524 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 5251500023940 in words is "five trillion, two hundred fifty-one billion, five hundred million, twenty-three thousand, nine hundred forty".