255266620192 has 96 divisors (see below), whose sum is σ = 542928718080. Its totient is φ = 117778805760.

The previous prime is 255266620181. The next prime is 255266620199. The reversal of 255266620192 is 291026662552.

It is a super-2 number, since 2×255266620192² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (255266620199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31008717 + ... + 31016947.

It is an arithmetic number, because the mean of its divisors is an integer number (5655507480).

Almost surely, 2^255266620192 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 255266620192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271464359040).

255266620192 is an abundant number, since it is smaller than the sum of its proper divisors (287662097888).

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

255266620192 is a wasteful number, since it uses less digits than its factorization.

255266620192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9746 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 255266620192 in words is "two hundred fifty-five billion, two hundred sixty-six million, six hundred twenty thousand, one hundred ninety-two".