1878426942 has 32 divisors (see below), whose sum is σ = 4296982272. Its totient is φ = 536264064.

The previous prime is 1878426919. The next prime is 1878426967. The reversal of 1878426942 is 2496248781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37233 + ... + 71715.

It is an arithmetic number, because the mean of its divisors is an integer number (134280696).

Almost surely, 2^1878426942 is an apocalyptic number.

1878426942 is an abundant number, since it is smaller than the sum of its proper divisors (2418555330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1878426942 is a wasteful number, since it uses less digits than its factorization.

1878426942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35792.

The product of its digits is 1548288, while the sum is 51.

The square root of 1878426942 is about 43340.8230424850. The cubic root of 1878426942 is about 1233.8568302299.

The spelling of 1878426942 in words is "one billion, eight hundred seventy-eight million, four hundred twenty-six thousand, nine hundred forty-two".