256040662 has 16 divisors (see below), whose sum is σ = 393457680. Its totient is φ = 124895232.

The previous prime is 256040639. The next prime is 256040663. The reversal of 256040662 is 266040652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256040663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120118 + ... + 122230.

It is an arithmetic number, because the mean of its divisors is an integer number (24591105).

Almost surely, 2^256040662 is an apocalyptic number.

256040662 is a deficient number, since it is larger than the sum of its proper divisors (137417018).

256040662 is a wasteful number, since it uses less digits than its factorization.

256040662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 256040662 is about 16001.2706370463. The cubic root of 256040662 is about 634.9940371854.

The spelling of 256040662 in words is "two hundred fifty-six million, forty thousand, six hundred sixty-two".