255605414436 has 36 divisors (see below), whose sum is σ = 646132218732. Its totient is φ = 85199361024.

The previous prime is 255605414417. The next prime is 255605414459. The reversal of 255605414436 is 634414506552.

255605414436 is a `hidden beast` number, since 2 + 5 + 5 + 60 + 541 + 4 + 43 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 181808432100 + 73796982336 = 426390^2 + 271656^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 255605414391 and 255605414400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528156 + ... + 1687148.

It is an arithmetic number, because the mean of its divisors is an integer number (17948117187).

Almost surely, 2^255605414436 is an apocalyptic number.

It is an amenable number.

255605414436 is an abundant number, since it is smaller than the sum of its proper divisors (390526804296).

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

255605414436 is a wasteful number, since it uses less digits than its factorization.

255605414436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203660 (or 203655 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 255605414436 in words is "two hundred fifty-five billion, six hundred five million, four hundred fourteen thousand, four hundred thirty-six".