45472880 has 40 divisors (see below), whose sum is σ = 106024464. Its totient is φ = 18137600.

The previous prime is 45472879. The next prime is 45472891. The reversal of 45472880 is 8827454.

It is a tau number, because it is divible by the number of its divisors (40).

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, 41135 + ... + 42225.

Almost surely, 2^45472880 is an apocalyptic number.

45472880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45472880 is an abundant number, since it is smaller than the sum of its proper divisors (60551584).

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

45472880 is a wasteful number, since it uses less digits than its factorization.

45472880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 45472880 is about 6743.3582138279. The cubic root of 45472880 is about 356.9309054009.

The spelling of 45472880 in words is "forty-five million, four hundred seventy-two thousand, eight hundred eighty".