255777434 has 32 divisors (see below), whose sum is σ = 447431040. Its totient is φ = 108486400.

The previous prime is 255777433. The next prime is 255777439. The reversal of 255777434 is 434777552.

It is not an unprimeable number, because it can be changed into a prime (255777433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14582 + ... + 26910.

It is an arithmetic number, because the mean of its divisors is an integer number (13982220).

Almost surely, 2^255777434 is an apocalyptic number.

255777434 is a deficient number, since it is larger than the sum of its proper divisors (191653606).

255777434 is a wasteful number, since it uses less digits than its factorization.

255777434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12406.

The product of its digits is 823200, while the sum is 44.

The square root of 255777434 is about 15993.0433001352. The cubic root of 255777434 is about 634.7763562359.

The spelling of 255777434 in words is "two hundred fifty-five million, seven hundred seventy-seven thousand, four hundred thirty-four".