257070708260 has 48 divisors (see below), whose sum is σ = 559345708656. Its totient is φ = 99163717632.

The previous prime is 257070708259. The next prime is 257070708269. The reversal of 257070708260 is 62807070752.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5363804644 + 251706903616 = 73238^2 + 501704^2 .

It is not an unprimeable number, because it can be changed into a prime (257070708269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453517 + ... + 1620756.

It is an arithmetic number, because the mean of its divisors is an integer number (11653035597).

Almost surely, 2^257070708260 is an apocalyptic number.

257070708260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257070708260 is an abundant number, since it is smaller than the sum of its proper divisors (302275000396).

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

257070708260 is a wasteful number, since it uses less digits than its factorization.

257070708260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074432 (or 3074430 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 257070708260 in words is "two hundred fifty-seven billion, seventy million, seven hundred eight thousand, two hundred sixty".