255461994 has 24 divisors (see below), whose sum is σ = 554133060. Its totient is φ = 85056768.

The previous prime is 255461993. The next prime is 255462001. The reversal of 255461994 is 499164552.

255461994 is a `hidden beast` number, since 2 + 5 + 546 + 19 + 94 = 666.

255461994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 180552969 + 74909025 = 13437^2 + 8655^2 .

It is not an unprimeable number, because it can be changed into a prime (255461993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9084 + ... + 24360.

Almost surely, 2^255461994 is an apocalyptic number.

255461994 is an abundant number, since it is smaller than the sum of its proper divisors (298671066).

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

255461994 is a wasteful number, since it uses less digits than its factorization.

255461994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214 (or 16211 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 255461994 is about 15983.1784698789. The cubic root of 255461994 is about 634.5153008585.

The spelling of 255461994 in words is "two hundred fifty-five million, four hundred sixty-one thousand, nine hundred ninety-four".