25532657622 has 32 divisors (see below), whose sum is σ = 56750974560. Its totient is φ = 8509125600.

The previous prime is 25532657617. The next prime is 25532657651. The reversal of 25532657622 is 22675623552.

25532657622 is a `hidden beast` number, since 2 + 5 + 53 + 2 + 6 + 576 + 22 = 666.

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, 229108 + ... + 321800.

It is an arithmetic number, because the mean of its divisors is an integer number (1773467955).

Almost surely, 2^25532657622 is an apocalyptic number.

25532657622 is an abundant number, since it is smaller than the sum of its proper divisors (31218316938).

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

25532657622 is a wasteful number, since it uses less digits than its factorization.

25532657622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97805 (or 97799 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 25532657622 in words is "twenty-five billion, five hundred thirty-two million, six hundred fifty-seven thousand, six hundred twenty-two".