256266132 has 12 divisors (see below), whose sum is σ = 597954336. Its totient is φ = 85422040.

The previous prime is 256266103. The next prime is 256266133. The reversal of 256266132 is 231662652.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 256266093 and 256266102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256266133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10677744 + ... + 10677767.

It is an arithmetic number, because the mean of its divisors is an integer number (49829528).

Almost surely, 2^256266132 is an apocalyptic number.

It is an amenable number.

256266132 is an abundant number, since it is smaller than the sum of its proper divisors (341688204).

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

256266132 is a wasteful number, since it uses less digits than its factorization.

256266132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355518 (or 21355516 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 256266132 is about 16008.3144646774. The cubic root of 256266132 is about 635.1803749063.

The spelling of 256266132 in words is "two hundred fifty-six million, two hundred sixty-six thousand, one hundred thirty-two".