2119091280 has 160 divisors (see below), whose sum is σ = 6959792640. Its totient is φ = 531878400.

The previous prime is 2119091207. The next prime is 2119091281. The reversal of 2119091280 is 821909112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119091281) 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, 741855 + ... + 744705.

It is an arithmetic number, because the mean of its divisors is an integer number (43498704).

Almost surely, 2^2119091280 is an apocalyptic number.

2119091280 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 2119091280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3479896320).

2119091280 is an abundant number, since it is smaller than the sum of its proper divisors (4840701360).

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

2119091280 is a wasteful number, since it uses less digits than its factorization.

2119091280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 2119091280 is about 46033.5886065816. The cubic root of 2119091280 is about 1284.4480826631.

The spelling of 2119091280 in words is "two billion, one hundred nineteen million, ninety-one thousand, two hundred eighty".