255637427236 has 27 divisors (see below), whose sum is σ = 452019305073. Its totient is φ = 126502621200.

The previous prime is 255637427233. The next prime is 255637427237. The reversal of 255637427236 is 632724736552.

The square root of 255637427236 is 505606.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 245613412836 + 10024014400 = 495594^2 + 100120^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255637427231) 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 8 ways as a sum of consecutive naturals, for example, 102131161 + ... + 102133663.

Almost surely, 2^255637427236 is an apocalyptic number.

255637427236 is the 505606-th square number.

It is an amenable number.

255637427236 is a deficient number, since it is larger than the sum of its proper divisors (196381877837).

255637427236 is an frugal number, since it uses more digits than its factorization.

255637427236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 2606 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 52.

The spelling of 255637427236 in words is "two hundred fifty-five billion, six hundred thirty-seven million, four hundred twenty-seven thousand, two hundred thirty-six".