10643450004040 has 128 divisors (see below), whose sum is σ = 29587969670400. Its totient is φ = 3363684848640.

The previous prime is 10643450004029. The next prime is 10643450004071. The reversal of 10643450004040 is 4040005434601.

It is a super-2 number, since 2×10643450004040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643450003993 and 10643450004011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26838951 + ... + 27232630.

It is an arithmetic number, because the mean of its divisors is an integer number (231156013050).

Almost surely, 2^{10643450004040} is an apocalyptic number.

10643450004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10643450004040 is an abundant number, since it is smaller than the sum of its proper divisors (18944519666360).

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

10643450004040 is a wasteful number, since it uses less digits than its factorization.

10643450004040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54071655 (or 54071651 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 10643450004040 its reverse (4040005434601), we get a palindrome (14683455438641).

The spelling of 10643450004040 in words is "ten trillion, six hundred forty-three billion, four hundred fifty million, four thousand, forty".