45280021464 has 64 divisors (see below), whose sum is σ = 128453990400. Its totient is φ = 14772202272.

The previous prime is 45280021459. The next prime is 45280021471. The reversal of 45280021464 is 46412008254.

45280021464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 2219952 + ... + 2240255.

It is an arithmetic number, because the mean of its divisors is an integer number (2007093600).

Almost surely, 2^45280021464 is an apocalyptic number.

It is an amenable number.

45280021464 is an abundant number, since it is smaller than the sum of its proper divisors (83173968936).

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

45280021464 is a wasteful number, since it uses less digits than its factorization.

45280021464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460269 (or 4460259 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 45280021464 in words is "forty-five billion, two hundred eighty million, twenty-one thousand, four hundred sixty-four".