2402311340 has 72 divisors (see below), whose sum is σ = 5959478448. Its totient is φ = 806357760.

The previous prime is 2402311339. The next prime is 2402311357. The reversal of 2402311340 is 431132042.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 4874 + ... + 69486.

It is an arithmetic number, because the mean of its divisors is an integer number (82770534).

Almost surely, 2^2402311340 is an apocalyptic number.

2402311340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402311340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2979739224).

2402311340 is an abundant number, since it is smaller than the sum of its proper divisors (3557167108).

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

2402311340 is a wasteful number, since it uses less digits than its factorization.

2402311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64659 (or 64644 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2402311340 is about 49013.3791938487. The cubic root of 2402311340 is about 1339.2955642508.

Adding to 2402311340 its reverse (431132042), we get a palindrome (2833443382).

The spelling of 2402311340 in words is "two billion, four hundred two million, three hundred eleven thousand, three hundred forty".