255969969552 has 120 divisors (see below), whose sum is σ = 806693392128. Its totient is φ = 75064492800.

The previous prime is 255969969539. The next prime is 255969969557.

255969969552 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 6 + 9 + 9 + 69 + 552 = 666.

255969969552 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (255969969557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2557303 + ... + 2655510.

Almost surely, 2^255969969552 is an apocalyptic number.

255969969552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255969969552 is an abundant number, since it is smaller than the sum of its proper divisors (550723422576).

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

255969969552 is a wasteful number, since it uses less digits than its factorization.

255969969552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212869 (or 5212860 counting only the distinct ones).

The product of its digits is 590490000, while the sum is 72.

The spelling of 255969969552 in words is "two hundred fifty-five billion, nine hundred sixty-nine million, nine hundred sixty-nine thousand, five hundred fifty-two".