256036431334 has 8 divisors (see below), whose sum is σ = 384059761848. Its totient is φ = 128016510720.

The previous prime is 256036431317. The next prime is 256036431337. The reversal of 256036431334 is 433134630652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256036431337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655672 + ... + 970555.

It is an arithmetic number, because the mean of its divisors is an integer number (48007470231).

Almost surely, 2^256036431334 is an apocalyptic number.

256036431334 is a deficient number, since it is larger than the sum of its proper divisors (128023330514).

256036431334 is a wasteful number, since it uses less digits than its factorization.

256036431334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704950.

The product of its (nonzero) digits is 466560, while the sum is 40.

The spelling of 256036431334 in words is "two hundred fifty-six billion, thirty-six million, four hundred thirty-one thousand, three hundred thirty-four".