864593457042 has 32 divisors (see below), whose sum is σ = 1977128313984. Its totient is φ = 246912364800.

The previous prime is 864593457041. The next prime is 864593457053. The reversal of 864593457042 is 240754395468.

864593457042 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (864593457041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4672209 + ... + 4853732.

It is an arithmetic number, because the mean of its divisors is an integer number (61785259812).

Almost surely, 2^864593457042 is an apocalyptic number.

864593457042 is an abundant number, since it is smaller than the sum of its proper divisors (1112534856942).

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

864593457042 is a wasteful number, since it uses less digits than its factorization.

864593457042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9528114.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 864593457042 in words is "eight hundred sixty-four billion, five hundred ninety-three million, four hundred fifty-seven thousand, forty-two".