2399872452 has 24 divisors (see below), whose sum is σ = 5718846336. Its totient is φ = 782936928.

The previous prime is 2399872427. The next prime is 2399872481. The reversal of 2399872452 is 2542789932.

It is a junction number, because it is equal to n+sod(n) for n = 2399872395 and 2399872404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126983 + ... + 2128110.

It is an arithmetic number, because the mean of its divisors is an integer number (238285264).

Almost surely, 2^2399872452 is an apocalyptic number.

It is an amenable number.

2399872452 is an abundant number, since it is smaller than the sum of its proper divisors (3318973884).

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

2399872452 is a wasteful number, since it uses less digits than its factorization.

2399872452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255147 (or 4255145 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 2399872452 is about 48988.4930570435. The cubic root of 2399872452 is about 1338.8421817347.

The spelling of 2399872452 in words is "two billion, three hundred ninety-nine million, eight hundred seventy-two thousand, four hundred fifty-two".