256152798 has 24 divisors (see below), whose sum is σ = 605452536. Its totient is φ = 77622000.

The previous prime is 256152797. The next prime is 256152893. The reversal of 256152798 is 897251652.

256152798 is a `hidden beast` number, since 2 + 5 + 615 + 27 + 9 + 8 = 666.

It is a super-2 number, since 2×256152798² = 131228511846457608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256152797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646653 + ... + 647048.

It is an arithmetic number, because the mean of its divisors is an integer number (25227189).

Almost surely, 2^256152798 is an apocalyptic number.

256152798 is an abundant number, since it is smaller than the sum of its proper divisors (349299738).

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

256152798 is a wasteful number, since it uses less digits than its factorization.

256152798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293720 (or 1293717 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 256152798 is about 16004.7742252117. The cubic root of 256152798 is about 635.0867246752.

The spelling of 256152798 in words is "two hundred fifty-six million, one hundred fifty-two thousand, seven hundred ninety-eight".