473673599920 has 80 divisors (see below), whose sum is σ = 1116705847680. Its totient is φ = 186829074432.

The previous prime is 473673599909. The next prime is 473673599951. The reversal of 473673599920 is 29995376374.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×473673599920² (a number of 24 digits) contains 22 as substring.

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, 2522404 + ... + 2703676.

It is an arithmetic number, because the mean of its divisors is an integer number (13958823096).

Almost surely, 2^473673599920 is an apocalyptic number.

473673599920 is a gapful number since it is divisible by the number (40) 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 473673599920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558352923840).

473673599920 is an abundant number, since it is smaller than the sum of its proper divisors (643032247760).

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

473673599920 is a wasteful number, since it uses less digits than its factorization.

473673599920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181742 (or 181736 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 473673599920 in words is "four hundred seventy-three billion, six hundred seventy-three million, five hundred ninety-nine thousand, nine hundred twenty".