256046402 has 8 divisors (see below), whose sum is σ = 390366012. Its totient is φ = 125924400.

The previous prime is 256046389. The next prime is 256046437. The reversal of 256046402 is 204640652.

256046402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 241522681 + 14523721 = 15541^2 + 3811^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049249 + ... + 1049492.

Almost surely, 2^256046402 is an apocalyptic number.

256046402 is a deficient number, since it is larger than the sum of its proper divisors (134319610).

256046402 is a wasteful number, since it uses less digits than its factorization.

256046402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098804.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 256046402 is about 16001.4499967972. The cubic root of 256046402 is about 634.9987823152.

The spelling of 256046402 in words is "two hundred fifty-six million, forty-six thousand, four hundred two".