4309621008 has 160 divisors (see below), whose sum is σ = 14176235520. Its totient is φ = 1095521280.

The previous prime is 4309620943. The next prime is 4309621027. The reversal of 4309621008 is 8001269034.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 4309621008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161308 + ... + 186116.

It is an arithmetic number, because the mean of its divisors is an integer number (88601472).

Almost surely, 2^4309621008 is an apocalyptic number.

4309621008 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 4309621008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7088117760).

4309621008 is an abundant number, since it is smaller than the sum of its proper divisors (9866614512).

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

4309621008 is a wasteful number, since it uses less digits than its factorization.

4309621008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24885 (or 24879 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 4309621008 is about 65647.7037526828. The cubic root of 4309621008 is about 1627.3452222199.

The spelling of 4309621008 in words is "four billion, three hundred nine million, six hundred twenty-one thousand, eight".