57994926156942 has 16 divisors (see below), whose sum is σ = 122812784803152. Its totient is φ = 18194486637440.

The previous prime is 57994926156941. The next prime is 57994926156943. The reversal of 57994926156942 is 24965162949975.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57994926156941) and next prime (57994926156943).

It is a super-2 number, since 2×57994926156942² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57994926156941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284288853609 + ... + 284288853812.

It is an arithmetic number, because the mean of its divisors is an integer number (7675799050197).

Almost surely, 2^{57994926156942} is an apocalyptic number.

57994926156942 is an abundant number, since it is smaller than the sum of its proper divisors (64817858646210).

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

57994926156942 is a wasteful number, since it uses less digits than its factorization.

57994926156942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568577707443.

The product of its digits is 2645395200, while the sum is 78.

The spelling of 57994926156942 in words is "fifty-seven trillion, nine hundred ninety-four billion, nine hundred twenty-six million, one hundred fifty-six thousand, nine hundred forty-two".