45864944040 has 32 divisors (see below), whose sum is σ = 137594832480. Its totient is φ = 12230651712.

The previous prime is 45864944009. The next prime is 45864944051. The reversal of 45864944040 is 4044946854.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191103814 + ... + 191104053.

It is an arithmetic number, because the mean of its divisors is an integer number (4299838515).

Almost surely, 2^45864944040 is an apocalyptic number.

45864944040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45864944040 is an abundant number, since it is smaller than the sum of its proper divisors (91729888440).

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

45864944040 is a wasteful number, since it uses less digits than its factorization.

45864944040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382207881 (or 382207877 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 45864944040 in words is "forty-five billion, eight hundred sixty-four million, nine hundred forty-four thousand, forty".