45564747540 has 96 divisors (see below), whose sum is σ = 143369001216. Its totient is φ = 10728284160.

The previous prime is 45564747509. The next prime is 45564747551. The reversal of 45564747540 is 4574746554.

It is a super-2 number, since 2×45564747540² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251981 + ... + 1287860.

It is an arithmetic number, because the mean of its divisors is an integer number (1493427096).

Almost surely, 2^45564747540 is an apocalyptic number.

It is an amenable number.

45564747540 is an abundant number, since it is smaller than the sum of its proper divisors (97804253676).

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

45564747540 is a wasteful number, since it uses less digits than its factorization.

45564747540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539889 (or 2539887 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 51.

The spelling of 45564747540 in words is "forty-five billion, five hundred sixty-four million, seven hundred forty-seven thousand, five hundred forty".