6501440010 has 32 divisors (see below), whose sum is σ = 16803722880. Its totient is φ = 1600354368.

The previous prime is 6501439979. The next prime is 6501440021. The reversal of 6501440010 is 100441056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8334790 + ... + 8335569.

It is an arithmetic number, because the mean of its divisors is an integer number (525116340).

Almost surely, 2^6501440010 is an apocalyptic number.

6501440010 is an abundant number, since it is smaller than the sum of its proper divisors (10302282870).

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

6501440010 is a wasteful number, since it uses less digits than its factorization.

6501440010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670382.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 6501440010 is about 80631.5075513288. The cubic root of 6501440010 is about 1866.3933849862.

Adding to 6501440010 its reverse (100441056), we get a palindrome (6601881066).

The spelling of 6501440010 in words is "six billion, five hundred one million, four hundred forty thousand, ten".