8424673920 has 512 divisors, whose sum is σ = 32599526400. Its totient is φ = 2069286912.

The previous prime is 8424673903. The next prime is 8424673951. The reversal of 8424673920 is 293764248.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18195609 + ... + 18196071.

It is an arithmetic number, because the mean of its divisors is an integer number (63670950).

Almost surely, 2^8424673920 is an apocalyptic number.

8424673920 is a gapful number since it is divisible by the number (80) 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 8424673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16299763200).

8424673920 is an abundant number, since it is smaller than the sum of its proper divisors (24174852480).

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

8424673920 is an equidigital number, since it uses as much as digits as its factorization.

8424673920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 8424673920 is about 91786.0224652970. The cubic root of 8424673920 is about 2034.7811237447.

The spelling of 8424673920 in words is "eight billion, four hundred twenty-four million, six hundred seventy-three thousand, nine hundred twenty".