43157305464 has 256 divisors, whose sum is σ = 139883520000. Its totient is φ = 11014133760.

The previous prime is 43157305447. The next prime is 43157305517. The reversal of 43157305464 is 46450375134.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3310992 + ... + 3324000.

It is an arithmetic number, because the mean of its divisors is an integer number (546420000).

Almost surely, 2^43157305464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43157305464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69941760000).

43157305464 is an abundant number, since it is smaller than the sum of its proper divisors (96726214536).

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

43157305464 is a wasteful number, since it uses less digits than its factorization.

43157305464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083 (or 13065 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 43157305464 in words is "forty-three billion, one hundred fifty-seven million, three hundred five thousand, four hundred sixty-four".