45939404 has 24 divisors (see below), whose sum is σ = 92365728. Its totient is φ = 19584000.

The previous prime is 45939403. The next prime is 45939407. The reversal of 45939404 is 40493954.

It is a super-2 number, since 2×45939404² = 4220857679750432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45939401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (3848572).

Almost surely, 2^45939404 is an apocalyptic number.

It is an amenable number.

45939404 is an abundant number, since it is smaller than the sum of its proper divisors (46426324).

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

45939404 is a wasteful number, since it uses less digits than its factorization.

45939404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705 (or 8703 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 45939404 is about 6777.8613146036. The cubic root of 45939404 is about 358.1473858149.

The spelling of 45939404 in words is "forty-five million, nine hundred thirty-nine thousand, four hundred four".