45724056816 has 20 divisors (see below), whose sum is σ = 118120480232. Its totient is φ = 15241352256.

The previous prime is 45724056799. The next prime is 45724056913. The reversal of 45724056816 is 61865042754.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 952584517 = 45724056816 / (4 + 5 + 7 + 2 + 4 + 0 + 5 + 6 + 8 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476292211 + ... + 476292306.

Almost surely, 2^45724056816 is an apocalyptic number.

It is an amenable number.

45724056816 is an abundant number, since it is smaller than the sum of its proper divisors (72396423416).

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

45724056816 is a wasteful number, since it uses less digits than its factorization.

45724056816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952584528 (or 952584522 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 45724056816 in words is "forty-five billion, seven hundred twenty-four million, fifty-six thousand, eight hundred sixteen".