400111440322 has 32 divisors (see below), whose sum is σ = 677362331520. Its totient is φ = 175582538880.

The previous prime is 400111440299. The next prime is 400111440371. The reversal of 400111440322 is 223044111004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 400111440293 and 400111440302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11094043 + ... + 11130049.

It is an arithmetic number, because the mean of its divisors is an integer number (21167572860).

Almost surely, 2^400111440322 is an apocalyptic number.

400111440322 is a deficient number, since it is larger than the sum of its proper divisors (277250891198).

400111440322 is a wasteful number, since it uses less digits than its factorization.

400111440322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53466.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 400111440322 its reverse (223044111004), we get a palindrome (623155551326).

The spelling of 400111440322 in words is "four hundred billion, one hundred eleven million, four hundred forty thousand, three hundred twenty-two".