6343624540 has 48 divisors (see below), whose sum is σ = 14779013760. Its totient is φ = 2267670080.

The previous prime is 6343624531. The next prime is 6343624543. The reversal of 6343624540 is 454263436.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6343624540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6343624543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231382 + ... + 257341.

It is an arithmetic number, because the mean of its divisors is an integer number (307896120).

Almost surely, 2^6343624540 is an apocalyptic number.

It is an amenable number.

6343624540 is an abundant number, since it is smaller than the sum of its proper divisors (8435389220).

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

6343624540 is a wasteful number, since it uses less digits than its factorization.

6343624540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488802 (or 488800 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 6343624540 is about 79646.8740127320. The cubic root of 6343624540 is about 1851.1679539869.

Adding to 6343624540 its reverse (454263436), we get a palindrome (6797887976).

The spelling of 6343624540 in words is "six billion, three hundred forty-three million, six hundred twenty-four thousand, five hundred forty".