256453334 has 4 divisors (see below), whose sum is σ = 384680004. Its totient is φ = 128226666.

The previous prime is 256453321. The next prime is 256453363. The reversal of 256453334 is 433354652.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 256453294 and 256453303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64113332 + ... + 64113335.

It is an arithmetic number, because the mean of its divisors is an integer number (96170001).

Almost surely, 2^256453334 is an apocalyptic number.

256453334 is a deficient number, since it is larger than the sum of its proper divisors (128226670).

256453334 is a wasteful number, since it uses less digits than its factorization.

256453334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128226669.

The product of its digits is 129600, while the sum is 35.

The square root of 256453334 is about 16014.1604213271. The cubic root of 256453334 is about 635.3350033435.

The spelling of 256453334 in words is "two hundred fifty-six million, four hundred fifty-three thousand, three hundred thirty-four".