255373442 has 4 divisors (see below), whose sum is σ = 383060166. Its totient is φ = 127686720.

The previous prime is 255373429. The next prime is 255373453. The reversal of 255373442 is 244373552.

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

It can be written as a sum of positive squares in only one way, i.e., 248409121 + 6964321 = 15761^2 + 2639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63843359 + ... + 63843362.

Almost surely, 2^255373442 is an apocalyptic number.

255373442 is a deficient number, since it is larger than the sum of its proper divisors (127686724).

255373442 is a wasteful number, since it uses less digits than its factorization.

255373442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127686723.

The product of its digits is 100800, while the sum is 35.

The square root of 255373442 is about 15980.4080673805. The cubic root of 255373442 is about 634.4419773718.

The spelling of 255373442 in words is "two hundred fifty-five million, three hundred seventy-three thousand, four hundred forty-two".