45282390720 has 112 divisors (see below), whose sum is σ = 164310413568. Its totient is φ = 10350259200.

The previous prime is 45282390709. The next prime is 45282390733. The reversal of 45282390720 is 2709328254.

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

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3362506 + ... + 3375945.

It is an arithmetic number, because the mean of its divisors is an integer number (1467057264).

Almost surely, 2^45282390720 is an apocalyptic number.

45282390720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45282390720 is an abundant number, since it is smaller than the sum of its proper divisors (119028022848).

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

45282390720 is a wasteful number, since it uses less digits than its factorization.

45282390720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738478 (or 6738468 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 45282390720 in words is "forty-five billion, two hundred eighty-two million, three hundred ninety thousand, seven hundred twenty".