42764555331 has 12 divisors (see below), whose sum is σ = 63901060080. Its totient is φ = 27526610160.

The previous prime is 42764555321. The next prime is 42764555333. The reversal of 42764555331 is 13355546724.

42764555331 is a `hidden beast` number, since 4 + 2 + 7 + 64 + 5 + 553 + 31 = 666.

It is not a de Polignac number, because 42764555331 - 2⁷ = 42764555203 is a prime.

It is a super-2 number, since 2×42764555331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42764555333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81924175 + ... + 81924696.

It is an arithmetic number, because the mean of its divisors is an integer number (5325088340).

Almost surely, 2^42764555331 is an apocalyptic number.

42764555331 is a deficient number, since it is larger than the sum of its proper divisors (21136504749).

42764555331 is a wasteful number, since it uses less digits than its factorization.

42764555331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163848906 (or 163848903 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 42764555331 in words is "forty-two billion, seven hundred sixty-four million, five hundred fifty-five thousand, three hundred thirty-one".