2111344404 has 96 divisors (see below), whose sum is σ = 5497282560. Its totient is φ = 626313600.

The previous prime is 2111344397. The next prime is 2111344421. The reversal of 2111344404 is 4044431112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1600057 + ... + 1601375.

It is an arithmetic number, because the mean of its divisors is an integer number (57263360).

Almost surely, 2^2111344404 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 2111344404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2748641280).

2111344404 is an abundant number, since it is smaller than the sum of its proper divisors (3385938156).

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

2111344404 is a wasteful number, since it uses less digits than its factorization.

2111344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1699 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2111344404 is about 45949.3678302542. The cubic root of 2111344404 is about 1282.8809627875.

Adding to 2111344404 its reverse (4044431112), we get a palindrome (6155775516).

The spelling of 2111344404 in words is "two billion, one hundred eleven million, three hundred forty-four thousand, four hundred four".