401402111415205 has 16 divisors (see below), whose sum is σ = 486178723008000. Its totient is φ = 318137347579968.

The previous prime is 401402111415163. The next prime is 401402111415271. The reversal of 401402111415205 is 502514111204104.

It is a cyclic number.

It is not a de Polignac number, because 401402111415205 - 2¹¹ = 401402111413157 is a prime.

It is a super-2 number, since 2×401402111415205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819629205 + ... + 820118794.

It is an arithmetic number, because the mean of its divisors is an integer number (30386170188000).

Almost surely, 2^{401402111415205} is an apocalyptic number.

It is an amenable number.

401402111415205 is a deficient number, since it is larger than the sum of its proper divisors (84776611592795).

401402111415205 is a wasteful number, since it uses less digits than its factorization.

401402111415205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639748460.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 401402111415205 its reverse (502514111204104), we get a palindrome (903916222619309).

The spelling of 401402111415205 in words is "four hundred one trillion, four hundred two billion, one hundred eleven million, four hundred fifteen thousand, two hundred five".