255005430552 has 112 divisors (see below), whose sum is σ = 722521616640. Its totient is φ = 84332259648.

The previous prime is 255005430551. The next prime is 255005430557. The reversal of 255005430552 is 255034500552.

255005430552 is a `hidden beast` number, since 2 + 5 + 50 + 0 + 54 + 3 + 0 + 552 = 666.

It is a super-2 number, since 2×255005430552² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255005430551) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 568518 + ... + 912810.

Almost surely, 2^255005430552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255005430552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361260808320).

255005430552 is an abundant number, since it is smaller than the sum of its proper divisors (467516186088).

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

255005430552 is a wasteful number, since it uses less digits than its factorization.

255005430552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344444 (or 344425 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The spelling of 255005430552 in words is "two hundred fifty-five billion, five million, four hundred thirty thousand, five hundred fifty-two".