1939120272 has 60 divisors (see below), whose sum is σ = 5573530300. Its totient is φ = 628902144.

The previous prime is 1939120241. The next prime is 1939120273. The reversal of 1939120272 is 2720219391.

It can be written as a sum of positive squares in 2 ways, for example, as 691900416 + 1247219856 = 26304^2 + 35316^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1939120273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176647 + ... + 187302.

Almost surely, 2^1939120272 is an apocalyptic number.

1939120272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1939120272 is an abundant number, since it is smaller than the sum of its proper divisors (3634410028).

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

1939120272 is a wasteful number, since it uses less digits than its factorization.

1939120272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364000 (or 363991 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1939120272 is about 44035.4433610018. The cubic root of 1939120272 is about 1247.0051551471.

The spelling of 1939120272 in words is "one billion, nine hundred thirty-nine million, one hundred twenty thousand, two hundred seventy-two".