2109411072 has 252 divisors, whose sum is σ = 6434184960. Its totient is φ = 689762304.

The previous prime is 2109411061. The next prime is 2109411079. The reversal of 2109411072 is 2701149012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109411079) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 16609473 + ... + 16609599.

It is an arithmetic number, because the mean of its divisors is an integer number (25532480).

Almost surely, 2^2109411072 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 2109411072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3217092480).

2109411072 is an abundant number, since it is smaller than the sum of its proper divisors (4324773888).

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

2109411072 is an frugal number, since it uses more digits than its factorization.

2109411072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2109411072 is about 45928.3253777013. The cubic root of 2109411072 is about 1282.4892704550.

The spelling of 2109411072 in words is "two billion, one hundred nine million, four hundred eleven thousand, seventy-two".