255428084 has 12 divisors (see below), whose sum is σ = 457394784. Its totient is φ = 124743864.

The previous prime is 255428081. The next prime is 255428113. The reversal of 255428084 is 480824552.

It is a super-2 number, since 2×255428084² = 130487012191822112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255428081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742352 + ... + 742695.

It is an arithmetic number, because the mean of its divisors is an integer number (38116232).

Almost surely, 2^255428084 is an apocalyptic number.

It is an amenable number.

255428084 is a deficient number, since it is larger than the sum of its proper divisors (201966700).

255428084 is a wasteful number, since it uses less digits than its factorization.

255428084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485094 (or 1485092 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 255428084 is about 15982.1176319035. The cubic root of 255428084 is about 634.4872244499.

The spelling of 255428084 in words is "two hundred fifty-five million, four hundred twenty-eight thousand, eighty-four".