257957044 has 24 divisors (see below), whose sum is σ = 471242408. Its totient is φ = 123431040.

The previous prime is 257957039. The next prime is 257957071. The reversal of 257957044 is 440759752.

It can be written as a sum of positive squares in 4 ways, for example, as 739600 + 257217444 = 860^2 + 16038^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5259 + ... + 23314.

Almost surely, 2^257957044 is an apocalyptic number.

It is an amenable number.

257957044 is a deficient number, since it is larger than the sum of its proper divisors (213285364).

257957044 is a wasteful number, since it uses less digits than its factorization.

257957044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28675 (or 28673 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 257957044 is about 16061.0411866728. The cubic root of 257957044 is about 636.5743430662.

The spelling of 257957044 in words is "two hundred fifty-seven million, nine hundred fifty-seven thousand, forty-four".