400111342433 has 16 divisors (see below), whose sum is σ = 460065128640. Its totient is φ = 344138155200.

The previous prime is 400111342403. The next prime is 400111342453. The reversal of 400111342433 is 334243111004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400111342433 - 2⁸ = 400111342177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400111342403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106258 + ... + 1422683.

It is an arithmetic number, because the mean of its divisors is an integer number (28754070540).

Almost surely, 2^400111342433 is an apocalyptic number.

It is an amenable number.

400111342433 is a deficient number, since it is larger than the sum of its proper divisors (59953786207).

400111342433 is a wasteful number, since it uses less digits than its factorization.

400111342433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529728.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 400111342433 its reverse (334243111004), we get a palindrome (734354453437).

The spelling of 400111342433 in words is "four hundred billion, one hundred eleven million, three hundred forty-two thousand, four hundred thirty-three".