45402115464 has 80 divisors (see below), whose sum is σ = 129567455820. Its totient is φ = 14848479360.

The previous prime is 45402115457. The next prime is 45402115469. The reversal of 45402115464 is 46451120454.

45402115464 is a `hidden beast` number, since 4 + 540 + 2 + 1 + 1 + 54 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43860924900 + 1541190564 = 209430^2 + 39258^2 .

It is a super-2 number, since 2×45402115464² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (45402115469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 626647 + ... + 695334.

Almost surely, 2^45402115464 is an apocalyptic number.

It is an amenable number.

45402115464 is an abundant number, since it is smaller than the sum of its proper divisors (84165340356).

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

45402115464 is a wasteful number, since it uses less digits than its factorization.

45402115464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322052 (or 1322039 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 45402115464 in words is "forty-five billion, four hundred two million, one hundred fifteen thousand, four hundred sixty-four".