2021439272 has 32 divisors (see below), whose sum is σ = 3993425280. Its totient is φ = 957380160.

The previous prime is 2021439269. The next prime is 2021439307. The reversal of 2021439272 is 2729341202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34379 + ... + 72282.

It is an arithmetic number, because the mean of its divisors is an integer number (124794540).

Almost surely, 2^2021439272 is an apocalyptic number.

It is an amenable number.

2021439272 is a deficient number, since it is larger than the sum of its proper divisors (1971986008).

2021439272 is a wasteful number, since it uses less digits than its factorization.

2021439272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106793 (or 106789 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2021439272 is about 44960.4189482260. The cubic root of 2021439272 is about 1264.4070235553.

The spelling of 2021439272 in words is "two billion, twenty-one million, four hundred thirty-nine thousand, two hundred seventy-two".