255689962 has 32 divisors (see below), whose sum is σ = 444273984. Its totient is φ = 109075200.

The previous prime is 255689939. The next prime is 255689971. The reversal of 255689962 is 269986552.

It is a happy number.

It is a super-2 number, since 2×255689962² = 130754713335122888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171673 + ... + 173155.

It is an arithmetic number, because the mean of its divisors is an integer number (13883562).

Almost surely, 2^255689962 is an apocalyptic number.

255689962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255689962 is a deficient number, since it is larger than the sum of its proper divisors (188584022).

255689962 is a wasteful number, since it uses less digits than its factorization.

255689962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974.

The product of its digits is 2332800, while the sum is 52.

The square root of 255689962 is about 15990.3083772640. The cubic root of 255689962 is about 634.7039866927.

The spelling of 255689962 in words is "two hundred fifty-five million, six hundred eighty-nine thousand, nine hundred sixty-two".