257241961434 has 16 divisors (see below), whose sum is σ = 525430389888. Its totient is φ = 83922909312.

The previous prime is 257241961367. The next prime is 257241961441. The reversal of 257241961434 is 434169142752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456102487 + ... + 456103050.

It is an arithmetic number, because the mean of its divisors is an integer number (32839399368).

Almost surely, 2^257241961434 is an apocalyptic number.

257241961434 is an abundant number, since it is smaller than the sum of its proper divisors (268188428454).

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

257241961434 is a wasteful number, since it uses less digits than its factorization.

257241961434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912205589.

The product of its digits is 1451520, while the sum is 48.

The spelling of 257241961434 in words is "two hundred fifty-seven billion, two hundred forty-one million, nine hundred sixty-one thousand, four hundred thirty-four".