2099031264 has 144 divisors (see below), whose sum is σ = 6594981120. Its totient is φ = 627943680.

The previous prime is 2099031247. The next prime is 2099031271. The reversal of 2099031264 is 4621309902.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246079 + ... + 254465.

It is an arithmetic number, because the mean of its divisors is an integer number (45798480).

Almost surely, 2^2099031264 is an apocalyptic number.

2099031264 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 2099031264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297490560).

2099031264 is an abundant number, since it is smaller than the sum of its proper divisors (4495949856).

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

2099031264 is a wasteful number, since it uses less digits than its factorization.

2099031264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 8482 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2099031264 is about 45815.1859540044. The cubic root of 2099031264 is about 1280.3822230919.

The spelling of 2099031264 in words is "two billion, ninety-nine million, thirty-one thousand, two hundred sixty-four".