200278468 has 72 divisors (see below), whose sum is σ = 408627072. Its totient is φ = 85330368.

The previous prime is 200278459. The next prime is 200278469. The reversal of 200278468 is 864872002.

It is a super-2 number, since 2×200278468² = 80222929488854048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200278469) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 882171 + ... + 882397.

It is an arithmetic number, because the mean of its divisors is an integer number (5675376).

Almost surely, 2^200278468 is an apocalyptic number.

It is an amenable number.

200278468 is an abundant number, since it is smaller than the sum of its proper divisors (208348604).

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

200278468 is a wasteful number, since it uses less digits than its factorization.

200278468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 200278468 is about 14151.9775296599. The cubic root of 200278468 is about 585.0748368964.

The spelling of 200278468 in words is "two hundred million, two hundred seventy-eight thousand, four hundred sixty-eight".