402256475858 has 8 divisors (see below), whose sum is σ = 603617598720. Its totient is φ = 201050609620.

The previous prime is 402256475833. The next prime is 402256475879. The reversal of 402256475858 is 858574652204.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38807678 + ... + 38818041.

It is an arithmetic number, because the mean of its divisors is an integer number (75452199840).

Almost surely, 2^402256475858 is an apocalyptic number.

402256475858 is a deficient number, since it is larger than the sum of its proper divisors (201361122862).

402256475858 is a wasteful number, since it uses less digits than its factorization.

402256475858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77628312.

The product of its (nonzero) digits is 21504000, while the sum is 56.

The spelling of 402256475858 in words is "four hundred two billion, two hundred fifty-six million, four hundred seventy-five thousand, eight hundred fifty-eight".