2119402344 has 128 divisors (see below), whose sum is σ = 5649315840. Its totient is φ = 661216512.

The previous prime is 2119402343. The next prime is 2119402379. The reversal of 2119402344 is 4432049112.

2119402344 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2119402343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7651134 + ... + 7651410.

It is an arithmetic number, because the mean of its divisors is an integer number (44135280).

Almost surely, 2^2119402344 is an apocalyptic number.

2119402344 is a gapful number since it is divisible by the number (24) 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 2119402344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824657920).

2119402344 is an abundant number, since it is smaller than the sum of its proper divisors (3529913496).

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

2119402344 is a wasteful number, since it uses less digits than its factorization.

2119402344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2119402344 is about 46036.9671459795. The cubic root of 2119402344 is about 1284.5109281563.

The spelling of 2119402344 in words is "two billion, one hundred nineteen million, four hundred two thousand, three hundred forty-four".