256546132354 has 16 divisors (see below), whose sum is σ = 407593575288. Its totient is φ = 120686716672.

The previous prime is 256546132343. The next prime is 256546132369. The reversal of 256546132354 is 453231645652.

It can be written as a sum of positive squares in 4 ways, for example, as 159778476729 + 96767655625 = 399723^2 + 311075^2 .

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, 1175329 + ... + 1376404.

Almost surely, 2^256546132354 is an apocalyptic number.

256546132354 is a deficient number, since it is larger than the sum of its proper divisors (151047442934).

256546132354 is a wasteful number, since it uses less digits than its factorization.

256546132354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554709.

The product of its digits is 2592000, while the sum is 46.

The spelling of 256546132354 in words is "two hundred fifty-six billion, five hundred forty-six million, one hundred thirty-two thousand, three hundred fifty-four".