1879994442 has 64 divisors (see below), whose sum is σ = 3973939200. Its totient is φ = 592151040.

The previous prime is 1879994371. The next prime is 1879994461. The reversal of 1879994442 is 2444999781.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1424659 + ... + 1425977.

It is an arithmetic number, because the mean of its divisors is an integer number (62092800).

Almost surely, 2^1879994442 is an apocalyptic number.

1879994442 is an abundant number, since it is smaller than the sum of its proper divisors (2093944758).

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

1879994442 is a wasteful number, since it uses less digits than its factorization.

1879994442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its digits is 5225472, while the sum is 57.

The square root of 1879994442 is about 43358.9026844546. The cubic root of 1879994442 is about 1234.1999422970.

The spelling of 1879994442 in words is "one billion, eight hundred seventy-nine million, nine hundred ninety-four thousand, four hundred forty-two".