255260438 has 4 divisors (see below), whose sum is σ = 382890660. Its totient is φ = 127630218.

The previous prime is 255260437. The next prime is 255260477. The reversal of 255260438 is 834062552.

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

It is a junction number, because it is equal to n+sod(n) for n = 255260398 and 255260407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255260437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63815108 + ... + 63815111.

It is an arithmetic number, because the mean of its divisors is an integer number (95722665).

Almost surely, 2^255260438 is an apocalyptic number.

255260438 is a deficient number, since it is larger than the sum of its proper divisors (127630222).

255260438 is a wasteful number, since it uses less digits than its factorization.

255260438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127630221.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 255260438 is about 15976.8719716971. The cubic root of 255260438 is about 634.3483823366.

The spelling of 255260438 in words is "two hundred fifty-five million, two hundred sixty thousand, four hundred thirty-eight".