256037463 has 32 divisors (see below), whose sum is σ = 427161600. Its totient is φ = 150163200.

The previous prime is 256037423. The next prime is 256037473. The reversal of 256037463 is 364730652.

256037463 is a `hidden beast` number, since 2 + 5 + 603 + 7 + 46 + 3 = 666.

It is not a de Polignac number, because 256037463 - 2¹² = 256033367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256037423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4698 + ... + 23111.

It is an arithmetic number, because the mean of its divisors is an integer number (13348800).

Almost surely, 2^256037463 is an apocalyptic number.

256037463 is a deficient number, since it is larger than the sum of its proper divisors (171124137).

256037463 is a wasteful number, since it uses less digits than its factorization.

256037463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27860 (or 27854 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 256037463 is about 16001.1706759224. The cubic root of 256037463 is about 634.9913926128.

The spelling of 256037463 in words is "two hundred fifty-six million, thirty-seven thousand, four hundred sixty-three".