255782038 has 4 divisors (see below), whose sum is σ = 383673060. Its totient is φ = 127891018.

The previous prime is 255782027. The next prime is 255782069. The reversal of 255782038 is 830287552.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63945508 + ... + 63945511.

It is an arithmetic number, because the mean of its divisors is an integer number (95918265).

Almost surely, 2^255782038 is an apocalyptic number.

255782038 is a deficient number, since it is larger than the sum of its proper divisors (127891022).

255782038 is a wasteful number, since it uses less digits than its factorization.

255782038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127891021.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 255782038 is about 15993.1872370707. The cubic root of 255782038 is about 634.7801648763.

The spelling of 255782038 in words is "two hundred fifty-five million, seven hundred eighty-two thousand, thirty-eight".