255578226332 has 24 divisors (see below), whose sum is σ = 525454536432. Its totient is φ = 107235619200.

The previous prime is 255578226313. The next prime is 255578226353. The reversal of 255578226332 is 233622875552.

It is a super-2 number, since 2×255578226332² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223406969 + ... + 223408112.

It is an arithmetic number, because the mean of its divisors is an integer number (21893939018).

Almost surely, 2^255578226332 is an apocalyptic number.

255578226332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255578226332 is an abundant number, since it is smaller than the sum of its proper divisors (269876310100).

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

255578226332 is a wasteful number, since it uses less digits than its factorization.

255578226332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446815109 (or 446815107 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 50.

The spelling of 255578226332 in words is "two hundred fifty-five billion, five hundred seventy-eight million, two hundred twenty-six thousand, three hundred thirty-two".