499404378 has 32 divisors (see below), whose sum is σ = 1090460160. Its totient is φ = 151216560.

The previous prime is 499404349. The next prime is 499404383. The reversal of 499404378 is 873404994.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122001 + ... + 126027.

It is an arithmetic number, because the mean of its divisors is an integer number (34076880).

Almost surely, 2^499404378 is an apocalyptic number.

499404378 is an abundant number, since it is smaller than the sum of its proper divisors (591055782).

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

499404378 is a wasteful number, since it uses less digits than its factorization.

499404378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 499404378 is about 22347.3572934251. The cubic root of 499404378 is about 793.3852370925.

The spelling of 499404378 in words is "four hundred ninety-nine million, four hundred four thousand, three hundred seventy-eight".