10217316640 has 24 divisors (see below), whose sum is σ = 24138410940. Its totient is φ = 4086926592.

The previous prime is 10217316631. The next prime is 10217316653. The reversal of 10217316640 is 4661371201.

It can be written as a sum of positive squares in 2 ways, for example, as 8391292816 + 1826023824 = 91604^2 + 42732^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31928955 + ... + 31929274.

Almost surely, 2^10217316640 is an apocalyptic number.

10217316640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10217316640 is an abundant number, since it is smaller than the sum of its proper divisors (13921094300).

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

10217316640 is an equidigital number, since it uses as much as digits as its factorization.

10217316640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63858244 (or 63858236 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 10217316640 its reverse (4661371201), we get a palindrome (14878687841).

The spelling of 10217316640 in words is "ten billion, two hundred seventeen million, three hundred sixteen thousand, six hundred forty".