10340400314421 has 20 divisors (see below), whose sum is σ = 15467844286092. Its totient is φ = 6884195531328.

The previous prime is 10340400314383. The next prime is 10340400314429. The reversal of 10340400314421 is 12441300404301.

10340400314421 is a `hidden beast` number, since 1 + 0 + 340 + 4 + 0 + 0 + 314 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4864168496196 + 5476231818225 = 2205486^2 + 2340135^2 .

It is not a de Polignac number, because 10340400314421 - 2⁹ = 10340400313909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10340400314429) 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, 87020616 + ... + 87139361.

Almost surely, 2^{10340400314421} is an apocalyptic number.

It is an amenable number.

10340400314421 is a deficient number, since it is larger than the sum of its proper divisors (5127443971671).

10340400314421 is an equidigital number, since it uses as much as digits as its factorization.

10340400314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174160722 (or 174160713 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 10340400314421 its reverse (12441300404301), we get a palindrome (22781700718722).

The spelling of 10340400314421 in words is "ten trillion, three hundred forty billion, four hundred million, three hundred fourteen thousand, four hundred twenty-one".