256632332 has 12 divisors (see below), whose sum is σ = 489934536. Its totient is φ = 116651040.

The previous prime is 256632319. The next prime is 256632347. The reversal of 256632332 is 233236652.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916233 + ... + 2916320.

It is an arithmetic number, because the mean of its divisors is an integer number (40827878).

Almost surely, 2^256632332 is an apocalyptic number.

256632332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256632332 is a deficient number, since it is larger than the sum of its proper divisors (233302204).

256632332 is a wasteful number, since it uses less digits than its factorization.

256632332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832568 (or 5832566 counting only the distinct ones).

The product of its digits is 38880, while the sum is 32.

The square root of 256632332 is about 16019.7481877837. The cubic root of 256632332 is about 635.4827849361.

Adding to 256632332 its reverse (233236652), we get a palindrome (489868984).

The spelling of 256632332 in words is "two hundred fifty-six million, six hundred thirty-two thousand, three hundred thirty-two".