620401237524 has 24 divisors (see below), whose sum is σ = 1608447653120. Its totient is φ = 206800412472.

The previous prime is 620401237513. The next prime is 620401237553. The reversal of 620401237524 is 425732104026.

620401237524 is a `hidden beast` number, since 6 + 2 + 0 + 4 + 0 + 123 + 7 + 524 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872227844 + ... + 2872228059.

Almost surely, 2^620401237524 is an apocalyptic number.

It is an amenable number.

620401237524 is an abundant number, since it is smaller than the sum of its proper divisors (988046415596).

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

620401237524 is a wasteful number, since it uses less digits than its factorization.

620401237524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744455916 (or 5744455908 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 620401237524 in words is "six hundred twenty billion, four hundred one million, two hundred thirty-seven thousand, five hundred twenty-four".