255042406 has 16 divisors (see below), whose sum is σ = 395557200. Its totient is φ = 123236640.

The previous prime is 255042383. The next prime is 255042419. The reversal of 255042406 is 604240552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540 + ... + 22591.

It is an arithmetic number, because the mean of its divisors is an integer number (24722325).

Almost surely, 2^255042406 is an apocalyptic number.

255042406 is a deficient number, since it is larger than the sum of its proper divisors (140514794).

255042406 is a wasteful number, since it uses less digits than its factorization.

255042406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 255042406 is about 15970.0471508383. The cubic root of 255042406 is about 634.1677202578.

Adding to 255042406 its reverse (604240552), we get a palindrome (859282958).

The spelling of 255042406 in words is "two hundred fifty-five million, forty-two thousand, four hundred six".