45563489640 has 48 divisors (see below), whose sum is σ = 148081342500. Its totient is φ = 12150263808.

The previous prime is 45563489617. The next prime is 45563489711. The reversal of 45563489640 is 4698436554.

45563489640 is a `hidden beast` number, since 4 + 556 + 3 + 4 + 89 + 6 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39082917636 + 6480572004 = 197694^2 + 80502^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63282265 + ... + 63282984.

Almost surely, 2^45563489640 is an apocalyptic number.

45563489640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45563489640 is an abundant number, since it is smaller than the sum of its proper divisors (102517852860).

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

45563489640 is a wasteful number, since it uses less digits than its factorization.

45563489640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126565266 (or 126565259 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 45563489640 in words is "forty-five billion, five hundred sixty-three million, four hundred eighty-nine thousand, six hundred forty".