422689561256 has 32 divisors (see below), whose sum is σ = 794878872480. Its totient is φ = 210722577600.

The previous prime is 422689561249. The next prime is 422689561279. The reversal of 422689561256 is 652165986224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4776371 + ... + 4864061.

It is an arithmetic number, because the mean of its divisors is an integer number (24839964765).

Almost surely, 2^422689561256 is an apocalyptic number.

It is an amenable number.

422689561256 is a deficient number, since it is larger than the sum of its proper divisors (372189311224).

422689561256 is a wasteful number, since it uses less digits than its factorization.

422689561256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89465 (or 89461 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 56.

The spelling of 422689561256 in words is "four hundred twenty-two billion, six hundred eighty-nine million, five hundred sixty-one thousand, two hundred fifty-six".