10640422272 has 64 divisors (see below), whose sum is σ = 28727022960. Its totient is φ = 3488655360.

The previous prime is 10640422271. The next prime is 10640422279. The reversal of 10640422272 is 27222404601.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×10640422272² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640422271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203703 + ... + 250550.

Almost surely, 2^10640422272 is an apocalyptic number.

10640422272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10640422272 is an abundant number, since it is smaller than the sum of its proper divisors (18086600688).

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

10640422272 is an equidigital number, since it uses as much as digits as its factorization.

10640422272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454331 (or 454319 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

Adding to 10640422272 its reverse (27222404601), we get a palindrome (37862826873).

The spelling of 10640422272 in words is "ten billion, six hundred forty million, four hundred twenty-two thousand, two hundred seventy-two".