2144333340 has 72 divisors (see below), whose sum is σ = 6586856640. Its totient is φ = 564580224.

The previous prime is 2144333339. The next prime is 2144333381. The reversal of 2144333340 is 433334412.

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, 61179 + ... + 89618.

It is an arithmetic number, because the mean of its divisors is an integer number (91484120).

Almost surely, 2^2144333340 is an apocalyptic number.

2144333340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144333340 is an abundant number, since it is smaller than the sum of its proper divisors (4442523300).

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

2144333340 is a wasteful number, since it uses less digits than its factorization.

2144333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150891 (or 150886 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 2144333340 is about 46306.9469950244. The cubic root of 2144333340 is about 1289.5279686350.

Adding to 2144333340 its reverse (433334412), we get a palindrome (2577667752).

The spelling of 2144333340 in words is "two billion, one hundred forty-four million, three hundred thirty-three thousand, three hundred forty".