25462531020 has 24 divisors (see below), whose sum is σ = 71295087024. Its totient is φ = 6790008256.

The previous prime is 25462530991. The next prime is 25462531069. The reversal of 25462531020 is 2013526452.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 212187699 + ... + 212187818.

It is an arithmetic number, because the mean of its divisors is an integer number (2970628626).

Almost surely, 2^25462531020 is an apocalyptic number.

25462531020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25462531020 is an abundant number, since it is smaller than the sum of its proper divisors (45832556004).

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

25462531020 is a wasteful number, since it uses less digits than its factorization.

25462531020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424375529 (or 424375527 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 25462531020 in words is "twenty-five billion, four hundred sixty-two million, five hundred thirty-one thousand, twenty".