272121044 has 24 divisors (see below), whose sum is σ = 513294600. Its totient is φ = 125483904.

The previous prime is 272121041. The next prime is 272121067. The reversal of 272121044 is 440121272.

It can be written as a sum of positive squares in 4 ways, for example, as 53436100 + 218684944 = 7310^2 + 14788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272121041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105482 + ... + 108030.

It is an arithmetic number, because the mean of its divisors is an integer number (21387275).

Almost surely, 2^272121044 is an apocalyptic number.

It is an amenable number.

272121044 is a deficient number, since it is larger than the sum of its proper divisors (241173556).

272121044 is a wasteful number, since it uses less digits than its factorization.

272121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 272121044 is about 16496.0917795701. The cubic root of 272121044 is about 648.0184576615.

The spelling of 272121044 in words is "two hundred seventy-two million, one hundred twenty-one thousand, forty-four".