864263042 has 8 divisors (see below), whose sum is σ = 1352759616. Its totient is φ = 413343172.

The previous prime is 864263041. The next prime is 864263107. The reversal of 864263042 is 240362468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 864262993 and 864263011.

It is not an unprimeable number, because it can be changed into a prime (864263041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9394118 + ... + 9394209.

It is an arithmetic number, because the mean of its divisors is an integer number (169094952).

Almost surely, 2^864263042 is an apocalyptic number.

864263042 is a deficient number, since it is larger than the sum of its proper divisors (488496574).

864263042 is a wasteful number, since it uses less digits than its factorization.

864263042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18788352.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 864263042 is about 29398.3510081773. The cubic root of 864263042 is about 952.5372771949.

The spelling of 864263042 in words is "eight hundred sixty-four million, two hundred sixty-three thousand, forty-two".