2657311238 has 16 divisors (see below), whose sum is σ = 4125386160. Its totient is φ = 1282226400.

The previous prime is 2657311213. The next prime is 2657311243. The reversal of 2657311238 is 8321137562.

It is a super-2 number, since 2×2657311238² = 14122606031202185288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125993 + ... + 145563.

It is an arithmetic number, because the mean of its divisors is an integer number (257836635).

Almost surely, 2^2657311238 is an apocalyptic number.

2657311238 is a deficient number, since it is larger than the sum of its proper divisors (1468074922).

2657311238 is a wasteful number, since it uses less digits than its factorization.

2657311238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943.

The product of its digits is 60480, while the sum is 38.

The square root of 2657311238 is about 51549.1148129626. The cubic root of 2657311238 is about 1385.0989755800.

The spelling of 2657311238 in words is "two billion, six hundred fifty-seven million, three hundred eleven thousand, two hundred thirty-eight".