2113444300 has 72 divisors (see below), whose sum is σ = 5109672960. Its totient is φ = 752155200.

The previous prime is 2113444297. The next prime is 2113444357. The reversal of 2113444300 is 34443112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31261 + ... + 72139.

It is an arithmetic number, because the mean of its divisors is an integer number (70967680).

Almost surely, 2^2113444300 is an apocalyptic number.

2113444300 is a gapful number since it is divisible by the number (20) 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 2113444300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554836480).

2113444300 is an abundant number, since it is smaller than the sum of its proper divisors (2996228660).

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

2113444300 is a wasteful number, since it uses less digits than its factorization.

2113444300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40951 (or 40944 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2113444300 is about 45972.2122591463. The cubic root of 2113444300 is about 1283.3061301181.

Adding to 2113444300 its reverse (34443112), we get a palindrome (2147887412).

The spelling of 2113444300 in words is "two billion, one hundred thirteen million, four hundred forty-four thousand, three hundred".