840456022 has 16 divisors (see below), whose sum is σ = 1441413792. Its totient is φ = 360037440.

The previous prime is 840455981. The next prime is 840456037. The reversal of 840456022 is 220654048.

It is a congruent number.

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, 23388 + ... + 47200.

It is an arithmetic number, because the mean of its divisors is an integer number (90088362).

Almost surely, 2^840456022 is an apocalyptic number.

840456022 is a deficient number, since it is larger than the sum of its proper divisors (600957770).

840456022 is a wasteful number, since it uses less digits than its factorization.

840456022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26343.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 840456022 is about 28990.6195518481. The cubic root of 840456022 is about 943.7095090035.

The spelling of 840456022 in words is "eight hundred forty million, four hundred fifty-six thousand, twenty-two".