204255378 has 16 divisors (see below), whose sum is σ = 453900960. Its totient is φ = 68085108.

The previous prime is 204255367. The next prime is 204255383. The reversal of 204255378 is 873552402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891200 + ... + 1891307.

It is an arithmetic number, because the mean of its divisors is an integer number (28368810).

Almost surely, 2^204255378 is an apocalyptic number.

204255378 is an abundant number, since it is smaller than the sum of its proper divisors (249645582).

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

204255378 is a wasteful number, since it uses less digits than its factorization.

204255378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782518 (or 3782512 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 204255378 is about 14291.7940791211. The cubic root of 204255378 is about 588.9220747381.

The spelling of 204255378 in words is "two hundred four million, two hundred fifty-five thousand, three hundred seventy-eight".