255450400 has 36 divisors (see below), whose sum is σ = 623620242. Its totient is φ = 102179840.

The previous prime is 255450367. The next prime is 255450413. The reversal of 255450400 is 4054552.

It can be written as a sum of positive squares in 3 ways, for example, as 96589584 + 158860816 = 9828^2 + 12604^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158857 + ... + 160456.

Almost surely, 2^255450400 is an apocalyptic number.

255450400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255450400 is an abundant number, since it is smaller than the sum of its proper divisors (368169842).

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

255450400 is a wasteful number, since it uses less digits than its factorization.

255450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319333 (or 319320 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 255450400 is about 15982.8157719471. The cubic root of 255450400 is about 634.5057016724.

The spelling of 255450400 in words is "two hundred fifty-five million, four hundred fifty thousand, four hundred".