57426067431 has 24 divisors (see below), whose sum is σ = 85723930656. Its totient is φ = 37019727360.

The previous prime is 57426067403. The next prime is 57426067441. The reversal of 57426067431 is 13476062475.

57426067431 is a `hidden beast` number, since 5 + 7 + 4 + 2 + 606 + 7 + 4 + 31 = 666.

It is not a de Polignac number, because 57426067431 - 2⁵ = 57426067399 is a prime.

It is a super-2 number, since 2×57426067431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57426067441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 646915 + ... + 730308.

It is an arithmetic number, because the mean of its divisors is an integer number (3571830444).

Almost surely, 2^57426067431 is an apocalyptic number.

57426067431 is a deficient number, since it is larger than the sum of its proper divisors (28297863225).

57426067431 is a wasteful number, since it uses less digits than its factorization.

57426067431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377383 (or 1377380 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 57426067431 in words is "fifty-seven billion, four hundred twenty-six million, sixty-seven thousand, four hundred thirty-one".