235894640456 has 32 divisors (see below), whose sum is σ = 457324872480. Its totient is φ = 113995113600.

The previous prime is 235894640447. The next prime is 235894640473. The reversal of 235894640456 is 654046498532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3325610 + ... + 3395801.

It is an arithmetic number, because the mean of its divisors is an integer number (14291402265).

Almost surely, 2^235894640456 is an apocalyptic number.

It is an amenable number.

235894640456 is a deficient number, since it is larger than the sum of its proper divisors (221430232024).

235894640456 is a wasteful number, since it uses less digits than its factorization.

235894640456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721565 (or 6721561 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 235894640456 in words is "two hundred thirty-five billion, eight hundred ninety-four million, six hundred forty thousand, four hundred fifty-six".