400340210011 has 12 divisors (see below), whose sum is σ = 482879686512. Its totient is φ = 325088288784.

The previous prime is 400340209961. The next prime is 400340210029. The reversal of 400340210011 is 110012043004.

It is not a de Polignac number, because 400340210011 - 2⁹ = 400340209499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400340210111) 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, 79210020 + ... + 79215073.

It is an arithmetic number, because the mean of its divisors is an integer number (40239973876).

Almost surely, 2^400340210011 is an apocalyptic number.

400340210011 is a deficient number, since it is larger than the sum of its proper divisors (82539476501).

400340210011 is a wasteful number, since it uses less digits than its factorization.

400340210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158425138 (or 158425119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 400340210011 its reverse (110012043004), we get a palindrome (510352253015).

The spelling of 400340210011 in words is "four hundred billion, three hundred forty million, two hundred ten thousand, eleven".