2402332440 has 32 divisors (see below), whose sum is σ = 7206997680. Its totient is φ = 640621952.

The previous prime is 2402332417. The next prime is 2402332463. The reversal of 2402332440 is 442332042.

It is an interprime number because it is at equal distance from previous prime (2402332417) and next prime (2402332463).

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 2402332440.

It is a congruent number.

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, 10009599 + ... + 10009838.

Almost surely, 2^2402332440 is an apocalyptic number.

2402332440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402332440 is an abundant number, since it is smaller than the sum of its proper divisors (4804665240).

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

2402332440 is a wasteful number, since it uses less digits than its factorization.

2402332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019451 (or 20019447 counting only the distinct ones).

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

The square root of 2402332440 is about 49013.5944407263. The cubic root of 2402332440 is about 1339.2994853431.

Adding to 2402332440 its reverse (442332042), we get a palindrome (2844664482).

The spelling of 2402332440 in words is "two billion, four hundred two million, three hundred thirty-two thousand, four hundred forty".