45680044 has 12 divisors (see below), whose sum is σ = 79987600. Its totient is φ = 22826448.

The previous prime is 45680039. The next prime is 45680053. The reversal of 45680044 is 44008654.

It is a junction number, because it is equal to n+sod(n) for n = 45679988 and 45680015.

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, 10462 + ... + 14170.

Almost surely, 2^45680044 is an apocalyptic number.

It is an amenable number.

45680044 is a deficient number, since it is larger than the sum of its proper divisors (34307556).

45680044 is a wasteful number, since it uses less digits than its factorization.

45680044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6792 (or 6790 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 45680044 is about 6758.7013545503. The cubic root of 45680044 is about 357.4721161032.

Adding to 45680044 its reverse (44008654), we get a palindrome (89688698).

The spelling of 45680044 in words is "forty-five million, six hundred eighty thousand, forty-four".