42765856518 has 96 divisors (see below), whose sum is σ = 113260550400. Its totient is φ = 10625039040.

The previous prime is 42765856513. The next prime is 42765856519. The reversal of 42765856518 is 81565856724.

42765856518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42765856513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213093 + ... + 361856.

It is an arithmetic number, because the mean of its divisors is an integer number (1179797400).

Almost surely, 2^42765856518 is an apocalyptic number.

42765856518 is an abundant number, since it is smaller than the sum of its proper divisors (70494693882).

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

42765856518 is a wasteful number, since it uses less digits than its factorization.

42765856518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575002 (or 574995 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 57.

The spelling of 42765856518 in words is "forty-two billion, seven hundred sixty-five million, eight hundred fifty-six thousand, five hundred eighteen".