256532294 has 8 divisors (see below), whose sum is σ = 401528880. Its totient is φ = 122689336.

The previous prime is 256532249. The next prime is 256532299. The reversal of 256532294 is 492235652.

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 (256532299) 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, 2788349 + ... + 2788440.

It is an arithmetic number, because the mean of its divisors is an integer number (50191110).

Almost surely, 2^256532294 is an apocalyptic number.

256532294 is a deficient number, since it is larger than the sum of its proper divisors (144996586).

256532294 is a wasteful number, since it uses less digits than its factorization.

256532294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576814.

The product of its digits is 129600, while the sum is 38.

The square root of 256532294 is about 16016.6255497218. The cubic root of 256532294 is about 635.4002015654.

The spelling of 256532294 in words is "two hundred fifty-six million, five hundred thirty-two thousand, two hundred ninety-four".