2349904128 has 144 divisors (see below), whose sum is σ = 7347902016. Its totient is φ = 657285120.

The previous prime is 2349904127. The next prime is 2349904157. The reversal of 2349904128 is 8214099432.

It is a self number, because there is not a number n which added to its sum of digits gives 2349904128.

It is not an unprimeable number, because it can be changed into a prime (2349904121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99126 + ... + 120522.

Almost surely, 2^2349904128 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 2349904128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3673951008).

2349904128 is an abundant number, since it is smaller than the sum of its proper divisors (4997997888).

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

2349904128 is a wasteful number, since it uses less digits than its factorization.

2349904128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21440 (or 21426 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 2349904128 is about 48475.8097199005. The cubic root of 2349904128 is about 1329.4848152580.

The spelling of 2349904128 in words is "two billion, three hundred forty-nine million, nine hundred four thousand, one hundred twenty-eight".