257116396 has 12 divisors (see below), whose sum is σ = 450105040. Its totient is φ = 128514960.

The previous prime is 257116361. The next prime is 257116397. The reversal of 257116396 is 693611752.

It is a super-2 number, since 2×257116396² = 132217682184057632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (257116397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5206 + ... + 23266.

Almost surely, 2^257116396 is an apocalyptic number.

It is an amenable number.

257116396 is a deficient number, since it is larger than the sum of its proper divisors (192988644).

257116396 is a wasteful number, since it uses less digits than its factorization.

257116396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624 (or 21622 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 257116396 is about 16034.8494224299. The cubic root of 257116396 is about 635.8820865749.

The spelling of 257116396 in words is "two hundred fifty-seven million, one hundred sixteen thousand, three hundred ninety-six".