479817981888 has 336 divisors, whose sum is σ = 1501860852000. Its totient is φ = 134782771200.

The previous prime is 479817981871. The next prime is 479817981893. The reversal of 479817981888 is 888189718974.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141579298 + ... + 141582686.

Almost surely, 2^479817981888 is an apocalyptic number.

479817981888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 479817981888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750930426000).

479817981888 is an abundant number, since it is smaller than the sum of its proper divisors (1022042870112).

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

479817981888 is a wasteful number, since it uses less digits than its factorization.

479817981888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668 (or 3651 counting only the distinct ones).

The product of its digits is 520224768, while the sum is 78.

The spelling of 479817981888 in words is "four hundred seventy-nine billion, eight hundred seventeen million, nine hundred eighty-one thousand, eight hundred eighty-eight".