45864744820 has 24 divisors (see below), whose sum is σ = 100503615744. Its totient is φ = 17548250016.

The previous prime is 45864744799. The next prime is 45864744823. The reversal of 45864744820 is 2844746854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45864744823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49852524 + ... + 49853443.

It is an arithmetic number, because the mean of its divisors is an integer number (4187650656).

Almost surely, 2^45864744820 is an apocalyptic number.

It is an amenable number.

45864744820 is an abundant number, since it is smaller than the sum of its proper divisors (54638870924).

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

45864744820 is a wasteful number, since it uses less digits than its factorization.

45864744820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99705999 (or 99705997 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 52.

The spelling of 45864744820 in words is "forty-five billion, eight hundred sixty-four million, seven hundred forty-four thousand, eight hundred twenty".