25551984032 has 48 divisors (see below), whose sum is σ = 51137285472. Its totient is φ = 12565344000.

The previous prime is 25551984001. The next prime is 25551984047. The reversal of 25551984032 is 23048915552.

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, 1390907 + ... + 1409157.

It is an arithmetic number, because the mean of its divisors is an integer number (1065360114).

Almost surely, 2^25551984032 is an apocalyptic number.

It is an amenable number.

25551984032 is an abundant number, since it is smaller than the sum of its proper divisors (25585301440).

25551984032 is a wasteful number, since it uses less digits than its factorization.

25551984032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18981 (or 18973 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 25551984032 in words is "twenty-five billion, five hundred fifty-one million, nine hundred eighty-four thousand, thirty-two".