257057674131740 has 12 divisors (see below), whose sum is σ = 539821115676696. Its totient is φ = 102823069652688.

The previous prime is 257057674131737. The next prime is 257057674131793. The reversal of 257057674131740 is 47131476750752.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 257057674131740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426441853274 + ... + 6426441853313.

It is an arithmetic number, because the mean of its divisors is an integer number (44985092973058).

Almost surely, 2^{257057674131740} is an apocalyptic number.

257057674131740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257057674131740 is an abundant number, since it is smaller than the sum of its proper divisors (282763441544956).

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

257057674131740 is a wasteful number, since it uses less digits than its factorization.

257057674131740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852883706596 (or 12852883706594 counting only the distinct ones).

The product of its (nonzero) digits is 34574400, while the sum is 59.

The spelling of 257057674131740 in words is "two hundred fifty-seven trillion, fifty-seven billion, six hundred seventy-four million, one hundred thirty-one thousand, seven hundred forty".