45724694418 has 54 divisors (see below), whose sum is σ = 107304844959. Its totient is φ = 14065507872.

The previous prime is 45724694383. The next prime is 45724694489. The reversal of 45724694418 is 81449642754.

45724694418 is a `hidden beast` number, since 4 + 572 + 4 + 69 + 4 + 4 + 1 + 8 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 864183609 + 44860510809 = 29397^2 + 211803^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=151203.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11791896 + ... + 11795772.

Almost surely, 2^45724694418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45724694418

45724694418 is an abundant number, since it is smaller than the sum of its proper divisors (61580150541).

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

45724694418 is an equidigital number, since it uses as much as digits as its factorization.

45724694418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788 (or 3895 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 45724694418 in words is "forty-five billion, seven hundred twenty-four million, six hundred ninety-four thousand, four hundred eighteen".