45612642444 has 12 divisors (see below), whose sum is σ = 106429499064. Its totient is φ = 15204214144.

The previous prime is 45612642437. The next prime is 45612642521. The reversal of 45612642444 is 44424621654.

45612642444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45612642396 and 45612642405.

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, 1900526757 + ... + 1900526780.

It is an arithmetic number, because the mean of its divisors is an integer number (8869124922).

Almost surely, 2^45612642444 is an apocalyptic number.

It is an amenable number.

45612642444 is an abundant number, since it is smaller than the sum of its proper divisors (60816856620).

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

45612642444 is a wasteful number, since it uses less digits than its factorization.

45612642444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801053544 (or 3801053542 counting only the distinct ones).

The product of its digits is 737280, while the sum is 42.

The spelling of 45612642444 in words is "forty-five billion, six hundred twelve million, six hundred forty-two thousand, four hundred forty-four".