255770426 has 16 divisors (see below), whose sum is σ = 387715680. Its totient is φ = 126537840.

The previous prime is 255770413. The next prime is 255770447. The reversal of 255770426 is 624077552.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255770426.

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, 102785 + ... + 105243.

It is an arithmetic number, because the mean of its divisors is an integer number (24232230).

Almost surely, 2^255770426 is an apocalyptic number.

255770426 is a deficient number, since it is larger than the sum of its proper divisors (131945254).

255770426 is a wasteful number, since it uses less digits than its factorization.

255770426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 255770426 is about 15992.8242033732. The cubic root of 255770426 is about 634.7705588085.

The spelling of 255770426 in words is "two hundred fifty-five million, seven hundred seventy thousand, four hundred twenty-six".