6344313240 has 32 divisors (see below), whose sum is σ = 19032940080. Its totient is φ = 1691816832.

The previous prime is 6344313233. The next prime is 6344313251. The reversal of 6344313240 is 423134436.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6344313198 and 6344313207.

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, 26434519 + ... + 26434758.

Almost surely, 2^6344313240 is an apocalyptic number.

6344313240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6344313240 is an abundant number, since it is smaller than the sum of its proper divisors (12688626840).

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

6344313240 is a wasteful number, since it uses less digits than its factorization.

6344313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52869291 (or 52869287 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 6344313240 is about 79651.1973544654. The cubic root of 6344313240 is about 1851.2349426738.

Adding to 6344313240 its reverse (423134436), we get a palindrome (6767447676).

The spelling of 6344313240 in words is "six billion, three hundred forty-four million, three hundred thirteen thousand, two hundred forty".