45792440 has 32 divisors (see below), whose sum is σ = 103466160. Its totient is φ = 18240000.

The previous prime is 45792433. The next prime is 45792493. The reversal of 45792440 is 4429754.

It is a super-2 number, since 2×45792440² = 4193895122307200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45792440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7760 + ... + 12320.

Almost surely, 2^45792440 is an apocalyptic number.

45792440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45792440 is an abundant number, since it is smaller than the sum of its proper divisors (57673720).

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

45792440 is a wasteful number, since it uses less digits than its factorization.

45792440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823 (or 4819 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 45792440 is about 6767.0111570767. The cubic root of 45792440 is about 357.7650633389.

The spelling of 45792440 in words is "forty-five million, seven hundred ninety-two thousand, four hundred forty".