57043742816 has 48 divisors (see below), whose sum is σ = 115998438528. Its totient is φ = 27584947200.

The previous prime is 57043742803. The next prime is 57043742827. The reversal of 57043742816 is 61824734075.

It is a congruent number.

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, 1690526 + ... + 1723938.

It is an arithmetic number, because the mean of its divisors is an integer number (2416634136).

Almost surely, 2^57043742816 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 57043742816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57999219264).

57043742816 is an abundant number, since it is smaller than the sum of its proper divisors (58954695712).

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

57043742816 is a wasteful number, since it uses less digits than its factorization.

57043742816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35175 (or 35167 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 57043742816 in words is "fifty-seven billion, forty-three million, seven hundred forty-two thousand, eight hundred sixteen".