257226996 has 48 divisors (see below), whose sum is σ = 656985728. Its totient is φ = 77846400.

The previous prime is 257226979. The next prime is 257227001. The reversal of 257226996 is 699622752.

It is a happy number.

257226996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4000 + ... + 23031.

Almost surely, 2^257226996 is an apocalyptic number.

257226996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

257226996 is an abundant number, since it is smaller than the sum of its proper divisors (399758732).

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

257226996 is a wasteful number, since it uses less digits than its factorization.

257226996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27112 (or 27110 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 257226996 is about 16038.2977899776. The cubic root of 257226996 is about 635.9732495374.

The spelling of 257226996 in words is "two hundred fifty-seven million, two hundred twenty-six thousand, nine hundred ninety-six".