257040150 has 24 divisors (see below), whose sum is σ = 637459944. Its totient is φ = 68544000.

The previous prime is 257040143. The next prime is 257040181. The reversal of 257040150 is 51040752.

It is a self number, because there is not a number n which added to its sum of digits gives 257040150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 856651 + ... + 856950.

It is an arithmetic number, because the mean of its divisors is an integer number (26560831).

Almost surely, 2^257040150 is an apocalyptic number.

257040150 is an abundant number, since it is smaller than the sum of its proper divisors (380419794).

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

257040150 is a wasteful number, since it uses less digits than its factorization.

257040150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713616 (or 1713611 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 257040150 is about 16032.4717370716. The cubic root of 257040150 is about 635.8192249558.

The spelling of 257040150 in words is "two hundred fifty-seven million, forty thousand, one hundred fifty".