10643157317240 has 64 divisors (see below), whose sum is σ = 27368524209600. Its totient is φ = 3649028456448.

The previous prime is 10643157317209. The next prime is 10643157317281. The reversal of 10643157317240 is 4271375134601.

It is a super-2 number, since 2×10643157317240² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643157317191 and 10643157317200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21720056 + ... + 22204664.

It is an arithmetic number, because the mean of its divisors is an integer number (427633190775).

Almost surely, 2^{10643157317240} is an apocalyptic number.

10643157317240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10643157317240 is an abundant number, since it is smaller than the sum of its proper divisors (16725366892360).

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

10643157317240 is a wasteful number, since it uses less digits than its factorization.

10643157317240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563064 (or 563060 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 10643157317240 in words is "ten trillion, six hundred forty-three billion, one hundred fifty-seven million, three hundred seventeen thousand, two hundred forty".