2243130640 has 40 divisors (see below), whose sum is σ = 5246539200. Its totient is φ = 891874176.

The previous prime is 2243130563. The next prime is 2243130649. The reversal of 2243130640 is 460313422.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2243130649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70590 + ... + 97309.

It is an arithmetic number, because the mean of its divisors is an integer number (131163480).

Almost surely, 2^2243130640 is an apocalyptic number.

2243130640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243130640 is an abundant number, since it is smaller than the sum of its proper divisors (3003408560).

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

2243130640 is a wasteful number, since it uses less digits than its factorization.

2243130640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168079 (or 168073 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2243130640 is about 47361.7001384030. The cubic root of 2243130640 is about 1309.0357957414.

The spelling of 2243130640 in words is "two billion, two hundred forty-three million, one hundred thirty thousand, six hundred forty".