1255663326 has 16 divisors (see below), whose sum is σ = 2512070928. Its totient is φ = 418430400.

The previous prime is 1255663319. The next prime is 1255663349. The reversal of 1255663326 is 6233665521.

It is a super-2 number, since 2×1255663326² = 3153380776522764552, 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 7 ways as a sum of consecutive naturals, for example, 7735 + ... + 50706.

It is an arithmetic number, because the mean of its divisors is an integer number (157004433).

Almost surely, 2^1255663326 is an apocalyptic number.

1255663326 is an abundant number, since it is smaller than the sum of its proper divisors (1256407602).

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

1255663326 is a wasteful number, since it uses less digits than its factorization.

1255663326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62027.

The product of its digits is 194400, while the sum is 39.

The square root of 1255663326 is about 35435.3400717419. The cubic root of 1255663326 is about 1078.8417297675.

The spelling of 1255663326 in words is "one billion, two hundred fifty-five million, six hundred sixty-three thousand, three hundred twenty-six".