2399074128 has 120 divisors (see below), whose sum is σ = 7560873216. Its totient is φ = 703526400.

The previous prime is 2399074127. The next prime is 2399074141. The reversal of 2399074128 is 8214709932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399074127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24676 + ... + 73532.

Almost surely, 2^2399074128 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 2399074128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780436608).

2399074128 is an abundant number, since it is smaller than the sum of its proper divisors (5161799088).

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

2399074128 is a wasteful number, since it uses less digits than its factorization.

2399074128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48913 (or 48904 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2399074128 is about 48980.3443025873. The cubic root of 2399074128 is about 1338.6937087908.

The spelling of 2399074128 in words is "two billion, three hundred ninety-nine million, seventy-four thousand, one hundred twenty-eight".