42622461878 has 16 divisors (see below), whose sum is σ = 64084353984. Its totient is φ = 21261039240.

The previous prime is 42622461857. The next prime is 42622461887. The reversal of 42622461878 is 87816422624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4696301 + ... + 4705367.

It is an arithmetic number, because the mean of its divisors is an integer number (4005272124).

Almost surely, 2^42622461878 is an apocalyptic number.

42622461878 is a deficient number, since it is larger than the sum of its proper divisors (21461892106).

42622461878 is a wasteful number, since it uses less digits than its factorization.

42622461878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14347.

The product of its digits is 2064384, while the sum is 50.

The spelling of 42622461878 in words is "forty-two billion, six hundred twenty-two million, four hundred sixty-one thousand, eight hundred seventy-eight".