2409208872 has 192 divisors, whose sum is σ = 7429060800. Its totient is φ = 648023040.

The previous prime is 2409208829. The next prime is 2409208933. The reversal of 2409208872 is 2788029042.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1397403 + ... + 1399125.

It is an arithmetic number, because the mean of its divisors is an integer number (38693025).

Almost surely, 2^2409208872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2409208872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714530400).

2409208872 is an abundant number, since it is smaller than the sum of its proper divisors (5019851928).

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

2409208872 is a wasteful number, since it uses less digits than its factorization.

2409208872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 2409208872 is about 49083.6925261334. The cubic root of 2409208872 is about 1340.5761374902.

The spelling of 2409208872 in words is "two billion, four hundred nine million, two hundred eight thousand, eight hundred seventy-two".