1939158448 has 20 divisors (see below), whose sum is σ = 3978127080. Its totient is φ = 912545024.

The previous prime is 1939158413. The next prime is 1939158511. The reversal of 1939158448 is 8448519391.

It is a junction number, because it is equal to n+sod(n) for n = 1939158395 and 1939158404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564358 + ... + 3564901.

It is an arithmetic number, because the mean of its divisors is an integer number (198906354).

Almost surely, 2^1939158448 is an apocalyptic number.

It is an amenable number.

1939158448 is an abundant number, since it is smaller than the sum of its proper divisors (2038968632).

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

1939158448 is a wasteful number, since it uses less digits than its factorization.

1939158448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129284 (or 7129278 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 1939158448 is about 44035.8768278775. The cubic root of 1939158448 is about 1247.0133384725.

The spelling of 1939158448 in words is "one billion, nine hundred thirty-nine million, one hundred fifty-eight thousand, four hundred forty-eight".