255400158 has 32 divisors (see below), whose sum is σ = 569066400. Its totient is φ = 75874176.

The previous prime is 255400157. The next prime is 255400169. The reversal of 255400158 is 851004552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255400153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54193 + ... + 58716.

It is an arithmetic number, because the mean of its divisors is an integer number (17783325).

Almost surely, 2^255400158 is an apocalyptic number.

255400158 is an abundant number, since it is smaller than the sum of its proper divisors (313666242).

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

255400158 is a wasteful number, since it uses less digits than its factorization.

255400158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112956.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 255400158 is about 15981.2439440739. The cubic root of 255400158 is about 634.4641007384.

The spelling of 255400158 in words is "two hundred fifty-five million, four hundred thousand, one hundred fifty-eight".