256669062 has 32 divisors (see below), whose sum is σ = 581925120. Its totient is φ = 74818080.

The previous prime is 256669019. The next prime is 256669067. The reversal of 256669062 is 260966652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256669067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85114 + ... + 88077.

It is an arithmetic number, because the mean of its divisors is an integer number (18185160).

Almost surely, 2^256669062 is an apocalyptic number.

256669062 is an abundant number, since it is smaller than the sum of its proper divisors (325256058).

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

256669062 is a wasteful number, since it uses less digits than its factorization.

256669062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173228.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 256669062 is about 16020.8945443131. The cubic root of 256669062 is about 635.5131008996.

The spelling of 256669062 in words is "two hundred fifty-six million, six hundred sixty-nine thousand, sixty-two".