45877440 has 112 divisors (see below), whose sum is σ = 166493952. Its totient is φ = 10484736.

The previous prime is 45877439. The next prime is 45877463. The reversal of 45877440 is 4477854.

It is a tau number, because it is divible by the number of its divisors (112).

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, 3307 + ... + 10133.

Almost surely, 2^45877440 is an apocalyptic number.

45877440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45877440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83246976).

45877440 is an abundant number, since it is smaller than the sum of its proper divisors (120616512).

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

45877440 is a wasteful number, since it uses less digits than its factorization.

45877440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 45877440 is about 6773.2887137638. The cubic root of 45877440 is about 357.9862878761.

The spelling of 45877440 in words is "forty-five million, eight hundred seventy-seven thousand, four hundred forty".