256956462 has 112 divisors (see below), whose sum is σ = 699764832. Its totient is φ = 69050880.

The previous prime is 256956449. The next prime is 256956467. The reversal of 256956462 is 264659652.

It is a happy number.

256956462 is a `hidden beast` number, since 25 + 6 + 9 + 564 + 62 = 666.

256956462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256956467) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 172762 + ... + 174242.

Almost surely, 2^256956462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256956462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349882416).

256956462 is an abundant number, since it is smaller than the sum of its proper divisors (442808370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256956462 is a wasteful number, since it uses less digits than its factorization.

256956462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1510 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 256956462 is about 16029.8615714547. The cubic root of 256956462 is about 635.7502134089.

The spelling of 256956462 in words is "two hundred fifty-six million, nine hundred fifty-six thousand, four hundred sixty-two".