400422423011 has 32 divisors (see below), whose sum is σ = 477531936000. Its totient is φ = 332361525888.

The previous prime is 400422423007. The next prime is 400422423029. The reversal of 400422423011 is 110324224004.

It is not a de Polignac number, because 400422423011 - 2² = 400422423007 is a prime.

It is a super-2 number, since 2×400422423011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400422423031) 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, 51125 + ... + 896358.

It is an arithmetic number, because the mean of its divisors is an integer number (14922873000).

Almost surely, 2^400422423011 is an apocalyptic number.

400422423011 is a deficient number, since it is larger than the sum of its proper divisors (77109512989).

400422423011 is a wasteful number, since it uses less digits than its factorization.

400422423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947603.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 400422423011 its reverse (110324224004), we get a palindrome (510746647015).

The spelling of 400422423011 in words is "four hundred billion, four hundred twenty-two million, four hundred twenty-three thousand, eleven".