10040340023021 has 20 divisors (see below), whose sum is σ = 12777854293344. Its totient is φ = 7823641555800.

The previous prime is 10040340023017. The next prime is 10040340023041. The reversal of 10040340023021 is 12032004304001.

10040340023021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10040340023021 - 2² = 10040340023017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10040340022984 and 10040340023002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040340023041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 190052345 + ... + 190105166.

Almost surely, 2^{10040340023021} is an apocalyptic number.

10040340023021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10040340023021 is a deficient number, since it is larger than the sum of its proper divisors (2737514270323).

10040340023021 is an frugal number, since it uses more digits than its factorization.

10040340023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380157550 (or 380157529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10040340023021 its reverse (12032004304001), we get a palindrome (22072344327022).

The spelling of 10040340023021 in words is "ten trillion, forty billion, three hundred forty million, twenty-three thousand, twenty-one".