25032481428 has 48 divisors (see below), whose sum is σ = 59519940480. Its totient is φ = 8186179200.

The previous prime is 25032481403. The next prime is 25032481459. The reversal of 25032481428 is 82418423052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240793 + ... + 328703.

It is an arithmetic number, because the mean of its divisors is an integer number (1239998760).

Almost surely, 2^25032481428 is an apocalyptic number.

It is an amenable number.

25032481428 is an abundant number, since it is smaller than the sum of its proper divisors (34487459052).

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

25032481428 is a wasteful number, since it uses less digits than its factorization.

25032481428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88368 (or 88366 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 25032481428 in words is "twenty-five billion, thirty-two million, four hundred eighty-one thousand, four hundred twenty-eight".