2302231440 has 40 divisors (see below), whose sum is σ = 7136918208. Its totient is φ = 613928320.

The previous prime is 2302231429. The next prime is 2302231453. The reversal of 2302231440 is 441322032.

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

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, 4796076 + ... + 4796555.

Almost surely, 2^2302231440 is an apocalyptic number.

2302231440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302231440 is an abundant number, since it is smaller than the sum of its proper divisors (4834686768).

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

2302231440 is a wasteful number, since it uses less digits than its factorization.

2302231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592647 (or 9592641 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2302231440 is about 47981.5739633456. The cubic root of 2302231440 is about 1320.4328699702.

Adding to 2302231440 its reverse (441322032), we get a palindrome (2743553472).

The spelling of 2302231440 in words is "two billion, three hundred two million, two hundred thirty-one thousand, four hundred forty".