255771448 has 16 divisors (see below), whose sum is σ = 491268960. Its totient is φ = 124766400.

The previous prime is 255771403. The next prime is 255771479. The reversal of 255771448 is 844177552.

It is a super-2 number, since 2×255771448² = 130838067224033408, which 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 3 ways as a sum of consecutive naturals, for example, 389568 + ... + 390223.

It is an arithmetic number, because the mean of its divisors is an integer number (30704310).

Almost surely, 2^255771448 is an apocalyptic number.

It is an amenable number.

255771448 is a deficient number, since it is larger than the sum of its proper divisors (235497512).

255771448 is a wasteful number, since it uses less digits than its factorization.

255771448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779838 (or 779834 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 255771448 is about 15992.8561551713. The cubic root of 255771448 is about 634.7714042733.

The spelling of 255771448 in words is "two hundred fifty-five million, seven hundred seventy-one thousand, four hundred forty-eight".