255428046 has 32 divisors (see below), whose sum is σ = 572935680. Its totient is φ = 84345048.

The previous prime is 255428029. The next prime is 255428081. The reversal of 255428046 is 640824552.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 255428046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16326 + ... + 27881.

It is an arithmetic number, because the mean of its divisors is an integer number (17904240).

Almost surely, 2^255428046 is an apocalyptic number.

255428046 is an abundant number, since it is smaller than the sum of its proper divisors (317507634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255428046 is a wasteful number, since it uses less digits than its factorization.

255428046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44325 (or 44319 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 255428046 is about 15982.1164430747. The cubic root of 255428046 is about 634.4871929857.

The spelling of 255428046 in words is "two hundred fifty-five million, four hundred twenty-eight thousand, forty-six".