257032780194 has 32 divisors (see below), whose sum is σ = 523993048704. Its totient is φ = 84024420480.

The previous prime is 257032780133. The next prime is 257032780211. The reversal of 257032780194 is 491087230752.

It is a happy number.

257032780194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560022 + ... + 909774.

It is an arithmetic number, because the mean of its divisors is an integer number (16374782772).

Almost surely, 2^257032780194 is an apocalyptic number.

257032780194 is an abundant number, since it is smaller than the sum of its proper divisors (266960268510).

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

257032780194 is a wasteful number, since it uses less digits than its factorization.

257032780194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352122.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 257032780194 in words is "two hundred fifty-seven billion, thirty-two million, seven hundred eighty thousand, one hundred ninety-four".