45516691540 has 96 divisors (see below), whose sum is σ = 97557568416. Its totient is φ = 17836277760.

The previous prime is 45516691529. The next prime is 45516691541. The reversal of 45516691540 is 4519661554.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 32846487696 + 12670203844 = 181236^2 + 112562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45516691541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105119164 + ... + 105119596.

It is an arithmetic number, because the mean of its divisors is an integer number (1016224671).

Almost surely, 2^45516691540 is an apocalyptic number.

It is an amenable number.

45516691540 is an abundant number, since it is smaller than the sum of its proper divisors (52040876876).

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

45516691540 is a wasteful number, since it uses less digits than its factorization.

45516691540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 45516691540 in words is "forty-five billion, five hundred sixteen million, six hundred ninety-one thousand, five hundred forty".