255924989146 has 8 divisors (see below), whose sum is σ = 393250593204. Its totient is φ = 124841458080.

The previous prime is 255924989129. The next prime is 255924989171. The reversal of 255924989146 is 641989429552.

It can be written as a sum of positive squares in 2 ways, for example, as 186049882225 + 69875106921 = 431335^2 + 264339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560518145 + ... + 1560518308.

Almost surely, 2^255924989146 is an apocalyptic number.

255924989146 is a deficient number, since it is larger than the sum of its proper divisors (137325604058).

255924989146 is a wasteful number, since it uses less digits than its factorization.

255924989146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121036496.

The product of its digits is 55987200, while the sum is 64.

The spelling of 255924989146 in words is "two hundred fifty-five billion, nine hundred twenty-four million, nine hundred eighty-nine thousand, one hundred forty-six".