400040103032101 has 12 divisors (see below), whose sum is σ = 466127070408300. Its totient is φ = 342320981889600.

The previous prime is 400040103032051. The next prime is 400040103032123. The reversal of 400040103032101 is 101230301040004.

It can be written as a sum of positive squares in 2 ways, for example, as 157005285530625 + 243034817501476 = 12530175^2 + 15589574^2 .

It is not a de Polignac number, because 400040103032101 - 2³¹ = 400037955548453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400040103632101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6792053526 + ... + 6792112423.

It is an arithmetic number, because the mean of its divisors is an integer number (38843922534025).

Almost surely, 2^{400040103032101} is an apocalyptic number.

It is an amenable number.

400040103032101 is a deficient number, since it is larger than the sum of its proper divisors (66086967376199).

400040103032101 is a wasteful number, since it uses less digits than its factorization.

400040103032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13584166564 (or 13584166557 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 400040103032101 its reverse (101230301040004), we get a palindrome (501270404072105).

The spelling of 400040103032101 in words is "four hundred trillion, forty billion, one hundred three million, thirty-two thousand, one hundred one".