256261414 has 16 divisors (see below), whose sum is σ = 388903680. Its totient is φ = 126635080.

The previous prime is 256261393. The next prime is 256261433. The reversal of 256261414 is 414162652.

It is a happy number.

It is a congruent number.

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, 67047 + ... + 70765.

It is an arithmetic number, because the mean of its divisors is an integer number (24306480).

Almost surely, 2^256261414 is an apocalyptic number.

256261414 is a deficient number, since it is larger than the sum of its proper divisors (132642266).

256261414 is a wasteful number, since it uses less digits than its factorization.

256261414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115.

The product of its digits is 11520, while the sum is 31.

The square root of 256261414 is about 16008.1671030759. The cubic root of 256261414 is about 635.1764768760.

The spelling of 256261414 in words is "two hundred fifty-six million, two hundred sixty-one thousand, four hundred fourteen".