1939776048 has 120 divisors (see below), whose sum is σ = 6213499136. Its totient is φ = 553392000.

The previous prime is 1939776011. The next prime is 1939776071. The reversal of 1939776048 is 8406779391.

It is a happy number.

It is a super-2 number, since 2×1939776048² = 7525462232788996608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1939775985 and 1939776003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1058493 + ... + 1060323.

Almost surely, 2^1939776048 is an apocalyptic number.

1939776048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1939776048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3106749568).

1939776048 is an abundant number, since it is smaller than the sum of its proper divisors (4273723088).

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

1939776048 is a wasteful number, since it uses less digits than its factorization.

1939776048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1939776048 is about 44042.8887335969. Note that the first 3 decimals coincide. The cubic root of 1939776048 is about 1247.1457109614.

The spelling of 1939776048 in words is "one billion, nine hundred thirty-nine million, seven hundred seventy-six thousand, forty-eight".