45420574572 has 72 divisors (see below), whose sum is σ = 117665529072. Its totient is φ = 14764377600.

The previous prime is 45420574489. The next prime is 45420574607. The reversal of 45420574572 is 27547502454.

45420574572 is a `hidden beast` number, since 4 + 5 + 4 + 2 + 0 + 5 + 74 + 572 = 666.

It is a super-2 number, since 2×45420574572² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4211547 + ... + 4222317.

Almost surely, 2^45420574572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45420574572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58832764536).

45420574572 is an abundant number, since it is smaller than the sum of its proper divisors (72244954500).

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

45420574572 is a wasteful number, since it uses less digits than its factorization.

45420574572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679 (or 13674 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 45.

The spelling of 45420574572 in words is "forty-five billion, four hundred twenty million, five hundred seventy-four thousand, five hundred seventy-two".