400426310011 has 32 divisors (see below), whose sum is σ = 508722318720. Its totient is φ = 306692822016.

The previous prime is 400426309979. The next prime is 400426310021. The reversal of 400426310011 is 110013624004.

It is not a de Polignac number, because 400426310011 - 2⁵ = 400426309979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400426310021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361455 + ... + 965143.

It is an arithmetic number, because the mean of its divisors is an integer number (15897572460).

Almost surely, 2^400426310011 is an apocalyptic number.

400426310011 is a deficient number, since it is larger than the sum of its proper divisors (108296008709).

400426310011 is a wasteful number, since it uses less digits than its factorization.

400426310011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603943.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 400426310011 its reverse (110013624004), we get a palindrome (510439934015).

The spelling of 400426310011 in words is "four hundred billion, four hundred twenty-six million, three hundred ten thousand, eleven".