255771036 has 18 divisors (see below), whose sum is σ = 646532432. Its totient is φ = 85257000.

The previous prime is 255771031. The next prime is 255771037. The reversal of 255771036 is 630177552.

255771036 is a `hidden beast` number, since 2 + 557 + 71 + 0 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7104751 = 255771036 / (2 + 5 + 5 + 7 + 7 + 1 + 0 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255771031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3552340 + ... + 3552411.

Almost surely, 2^255771036 is an apocalyptic number.

It is an amenable number.

255771036 is an abundant number, since it is smaller than the sum of its proper divisors (390761396).

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

255771036 is a wasteful number, since it uses less digits than its factorization.

255771036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104761 (or 7104756 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 255771036 is about 15992.8432744150. The cubic root of 255771036 is about 634.7710634404.

The spelling of 255771036 in words is "two hundred fifty-five million, seven hundred seventy-one thousand, thirty-six".