45280900720 has 60 divisors (see below), whose sum is σ = 115718921640. Its totient is φ = 16465778560.

The previous prime is 45280900697. The next prime is 45280900741. The reversal of 45280900720 is 2700908254.

It is a self number, because there is not a number n which added to its sum of digits gives 45280900720.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2329210 + ... + 2348569.

It is an arithmetic number, because the mean of its divisors is an integer number (1928648694).

Almost surely, 2^45280900720 is an apocalyptic number.

45280900720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45280900720 is an abundant number, since it is smaller than the sum of its proper divisors (70438020920).

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

45280900720 is a wasteful number, since it uses less digits than its factorization.

45280900720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677814 (or 4677797 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

It can be divided in two parts, 45280 and 900720, that added together give a triangular number (946000 = T₁₃₇₅).

The spelling of 45280900720 in words is "forty-five billion, two hundred eighty million, nine hundred thousand, seven hundred twenty".