256954467 has 32 divisors (see below), whose sum is σ = 433188864. Its totient is φ = 131594400.

The previous prime is 256954433. The next prime is 256954469. The reversal of 256954467 is 764459652.

It is not a de Polignac number, because 256954467 - 2¹⁰ = 256953443 is a prime.

It is a super-2 number, since 2×256954467² = 132051196222508178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256954469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8568 + ... + 24234.

It is an arithmetic number, because the mean of its divisors is an integer number (13537152).

Almost surely, 2^256954467 is an apocalyptic number.

256954467 is a deficient number, since it is larger than the sum of its proper divisors (176234397).

256954467 is a wasteful number, since it uses less digits than its factorization.

256954467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15759.

The product of its digits is 1814400, while the sum is 48.

The square root of 256954467 is about 16029.7993437223. The cubic root of 256954467 is about 635.7485680913.

The spelling of 256954467 in words is "two hundred fifty-six million, nine hundred fifty-four thousand, four hundred sixty-seven".