2402400340 has 24 divisors (see below), whose sum is σ = 5089691880. Its totient is φ = 952455168.

The previous prime is 2402400283. The next prime is 2402400367. The reversal of 2402400340 is 430042042.

It can be written as a sum of positive squares in 4 ways, for example, as 35188624 + 2367211716 = 5932^2 + 48654^2 .

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, 529245 + ... + 533764.

It is an arithmetic number, because the mean of its divisors is an integer number (212070495).

Almost surely, 2^2402400340 is an apocalyptic number.

2402400340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402400340 is an abundant number, since it is smaller than the sum of its proper divisors (2687291540).

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

2402400340 is a wasteful number, since it uses less digits than its factorization.

2402400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063131 (or 1063129 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2402400340 is about 49014.2871008036. The cubic root of 2402400340 is about 1339.3121032995.

Adding to 2402400340 its reverse (430042042), we get a palindrome (2832442382).

The spelling of 2402400340 in words is "two billion, four hundred two million, four hundred thousand, three hundred forty".