2819202340 has 12 divisors (see below), whose sum is σ = 5920324956. Its totient is φ = 1127680928.

The previous prime is 2819202313. The next prime is 2819202409. The reversal of 2819202340 is 432029182.

It can be written as a sum of positive squares in 2 ways, for example, as 1672973604 + 1146228736 = 40902^2 + 33856^2 .

It is a super-2 number, since 2×2819202340² = 15895803667722951200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70480039 + ... + 70480078.

It is an arithmetic number, because the mean of its divisors is an integer number (493360413).

Almost surely, 2^2819202340 is an apocalyptic number.

2819202340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2819202340 is an abundant number, since it is smaller than the sum of its proper divisors (3101122616).

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

2819202340 is a wasteful number, since it uses less digits than its factorization.

2819202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140960126 (or 140960124 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2819202340 is about 53096.1612548403. The cubic root of 2819202340 is about 1412.6744237575.

The spelling of 2819202340 in words is "two billion, eight hundred nineteen million, two hundred two thousand, three hundred forty".