2149307340 has 24 divisors (see below), whose sum is σ = 6018060720. Its totient is φ = 573148608.

The previous prime is 2149307339. The next prime is 2149307353. The reversal of 2149307340 is 437039412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17910835 + ... + 17910954.

It is an arithmetic number, because the mean of its divisors is an integer number (250752530).

Almost surely, 2^2149307340 is an apocalyptic number.

2149307340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149307340 is an abundant number, since it is smaller than the sum of its proper divisors (3868753380).

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

2149307340 is a wasteful number, since it uses less digits than its factorization.

2149307340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35821801 (or 35821799 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2149307340 is about 46360.6227309341. The cubic root of 2149307340 is about 1290.5242626007.

The spelling of 2149307340 in words is "two billion, one hundred forty-nine million, three hundred seven thousand, three hundred forty".