2000400335405 has 32 divisors (see below), whose sum is σ = 2544935500800. Its totient is φ = 1504259046400.

The previous prime is 2000400335399. The next prime is 2000400335411. The reversal of 2000400335405 is 5045330040002.

It is an interprime number because it is at equal distance from previous prime (2000400335399) and next prime (2000400335411).

It is not a de Polignac number, because 2000400335405 - 2¹⁶ = 2000400269869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272196671 + ... + 272204019.

It is an arithmetic number, because the mean of its divisors is an integer number (79529234400).

Almost surely, 2^{2000400335405} is an apocalyptic number.

It is an amenable number.

2000400335405 is a deficient number, since it is larger than the sum of its proper divisors (544535165395).

2000400335405 is a wasteful number, since it uses less digits than its factorization.

2000400335405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11029.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 2000400335405 its reverse (5045330040002), we get a palindrome (7045730375407).

The spelling of 2000400335405 in words is "two trillion, four hundred million, three hundred thirty-five thousand, four hundred five".