10040406650020 has 12 divisors (see below), whose sum is σ = 21084853965084. Its totient is φ = 4016162660000.

The previous prime is 10040406650009. The next prime is 10040406650023. The reversal of 10040406650020 is 2005660404001.

10040406650020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4208964083776 + 5831442566244 = 2051576^2 + 2414838^2 .

It is not an unprimeable number, because it can be changed into a prime (10040406650023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251010166231 + ... + 251010166270.

It is an arithmetic number, because the mean of its divisors is an integer number (1757071163757).

Almost surely, 2^{10040406650020} is an apocalyptic number.

10040406650020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10040406650020 is an abundant number, since it is smaller than the sum of its proper divisors (11044447315064).

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

10040406650020 is a wasteful number, since it uses less digits than its factorization.

10040406650020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502020332510 (or 502020332508 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 10040406650020 in words is "ten trillion, forty billion, four hundred six million, six hundred fifty thousand, twenty".