255780132 has 24 divisors (see below), whose sum is σ = 616073472. Its totient is φ = 82509600.

The previous prime is 255780121. The next prime is 255780143. The reversal of 255780132 is 231087552.

It is an interprime number because it is at equal distance from previous prime (255780121) and next prime (255780143).

It is a junction number, because it is equal to n+sod(n) for n = 255780093 and 255780102.

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, 343419 + ... + 344162.

It is an arithmetic number, because the mean of its divisors is an integer number (25669728).

Almost surely, 2^255780132 is an apocalyptic number.

It is an amenable number.

255780132 is an abundant number, since it is smaller than the sum of its proper divisors (360293340).

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

255780132 is a wasteful number, since it uses less digits than its factorization.

255780132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687619 (or 687617 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 255780132 is about 15993.1276490873. The cubic root of 255780132 is about 634.7785881511.

The spelling of 255780132 in words is "two hundred fifty-five million, seven hundred eighty thousand, one hundred thirty-two".