2302432440 has 128 divisors (see below), whose sum is σ = 8611729920. Its totient is φ = 478425600.

The previous prime is 2302432423. The next prime is 2302432441. The reversal of 2302432440 is 442342032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2302432440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302432441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115351 + ... + 133830.

It is an arithmetic number, because the mean of its divisors is an integer number (67279140).

Almost surely, 2^2302432440 is an apocalyptic number.

2302432440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302432440 is an abundant number, since it is smaller than the sum of its proper divisors (6309297480).

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

2302432440 is a wasteful number, since it uses less digits than its factorization.

2302432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249213 (or 249209 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2302432440 is about 47983.6684716790. The cubic root of 2302432440 is about 1320.4712963535.

Adding to 2302432440 its reverse (442342032), we get a palindrome (2744774472).

The spelling of 2302432440 in words is "two billion, three hundred two million, four hundred thirty-two thousand, four hundred forty".