25322651284 has 12 divisors (see below), whose sum is σ = 50645302624. Its totient is φ = 10852564824.

The previous prime is 25322651279. The next prime is 25322651293. The reversal of 25322651284 is 48215622352.

It is a happy number.

25322651284 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452190174 + ... + 452190229.

Almost surely, 2^25322651284 is an apocalyptic number.

It is an amenable number.

25322651284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25322651284 is a wasteful number, since it uses less digits than its factorization.

25322651284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904380414 (or 904380412 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 25322651284 in words is "twenty-five billion, three hundred twenty-two million, six hundred fifty-one thousand, two hundred eighty-four".