6338630540 has 48 divisors (see below), whose sum is σ = 15375425184. Its totient is φ = 2169369600.

The previous prime is 6338630539. The next prime is 6338630549. The reversal of 6338630540 is 450368336.

It is a junction number, because it is equal to n+sod(n) for n = 6338630494 and 6338630503.

It is not an unprimeable number, because it can be changed into a prime (6338630549) 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, 843671 + ... + 851150.

It is an arithmetic number, because the mean of its divisors is an integer number (320321358).

Almost surely, 2^6338630540 is an apocalyptic number.

It is an amenable number.

6338630540 is an abundant number, since it is smaller than the sum of its proper divisors (9036794644).

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

6338630540 is a wasteful number, since it uses less digits than its factorization.

6338630540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694858 (or 1694856 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 6338630540 is about 79615.5169549253. The cubic root of 6338630540 is about 1850.6820509237.

Adding to 6338630540 its reverse (450368336), we get a palindrome (6788998876).

The spelling of 6338630540 in words is "six billion, three hundred thirty-eight million, six hundred thirty thousand, five hundred forty".