255755770 has 16 divisors (see below), whose sum is σ = 484590240. Its totient is φ = 96917904.

The previous prime is 255755749. The next prime is 255755771. The reversal of 255755770 is 77557552.

It is a super-2 number, since 2×255755770² = 130822027776585800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255755771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672852 + ... + 673231.

It is an arithmetic number, because the mean of its divisors is an integer number (30286890).

Almost surely, 2^255755770 is an apocalyptic number.

255755770 is a deficient number, since it is larger than the sum of its proper divisors (228834470).

255755770 is a wasteful number, since it uses less digits than its factorization.

255755770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346109.

The product of its (nonzero) digits is 428750, while the sum is 43.

The square root of 255755770 is about 15992.3659913097. The cubic root of 255755770 is about 634.7584341659.

The spelling of 255755770 in words is "two hundred fifty-five million, seven hundred fifty-five thousand, seven hundred seventy".