479521321800 has 96 divisors (see below), whose sum is σ = 1495636133280. Its totient is φ = 127087833600.

The previous prime is 479521321793. The next prime is 479521321819. The reversal of 479521321800 is 8123125974.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2353741 + ... + 2549340.

It is an arithmetic number, because the mean of its divisors is an integer number (15579543055).

Almost surely, 2^479521321800 is an apocalyptic number.

479521321800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

479521321800 is an abundant number, since it is smaller than the sum of its proper divisors (1016114811480).

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

479521321800 is a wasteful number, since it uses less digits than its factorization.

479521321800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903263 (or 4903254 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 479521321800 in words is "four hundred seventy-nine billion, five hundred twenty-one million, three hundred twenty-one thousand, eight hundred".