45025634646 has 32 divisors (see below), whose sum is σ = 100157443680. Its totient is φ = 14993473248.

The previous prime is 45025634627. The next prime is 45025634659. The reversal of 45025634646 is 64643652054.

It is a happy number.

45025634646 is a `hidden beast` number, since 4 + 5 + 0 + 2 + 5 + 634 + 6 + 4 + 6 = 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, 364321 + ... + 471996.

It is an arithmetic number, because the mean of its divisors is an integer number (3129920115).

Almost surely, 2^45025634646 is an apocalyptic number.

45025634646 is an abundant number, since it is smaller than the sum of its proper divisors (55131809034).

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

45025634646 is a wasteful number, since it uses less digits than its factorization.

45025634646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837325 (or 837319 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 45025634646 in words is "forty-five billion, twenty-five million, six hundred thirty-four thousand, six hundred forty-six".