256462374 has 144 divisors (see below), whose sum is σ = 667236528. Its totient is φ = 65286144.

The previous prime is 256462373. The next prime is 256462379. The reversal of 256462374 is 473264652.

256462374 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 (256462373) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2643894 + ... + 2643990.

It is an arithmetic number, because the mean of its divisors is an integer number (4633587).

Almost surely, 2^256462374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256462374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333618264).

256462374 is an abundant number, since it is smaller than the sum of its proper divisors (410774154).

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

256462374 is a wasteful number, since it uses less digits than its factorization.

256462374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 149 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 256462374 is about 16014.4426690410. The cubic root of 256462374 is about 635.3424684585.

The spelling of 256462374 in words is "two hundred fifty-six million, four hundred sixty-two thousand, three hundred seventy-four".