400442142211443 has 6 divisors (see below), whose sum is σ = 578416427638764. Its totient is φ = 266961428140956.

The previous prime is 400442142211439. The next prime is 400442142211453. The reversal of 400442142211443 is 344112241244004.

400442142211443 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 421 + 4 + 221 + 1 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 400442142211443 - 2² = 400442142211439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400442142211398 and 400442142211407.

It is not an unprimeable number, because it can be changed into a prime (400442142211453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22246785678405 + ... + 22246785678422.

It is an arithmetic number, because the mean of its divisors is an integer number (96402737939794).

Almost surely, 2^{400442142211443} is an apocalyptic number.

400442142211443 is a deficient number, since it is larger than the sum of its proper divisors (177974285427321).

400442142211443 is a wasteful number, since it uses less digits than its factorization.

400442142211443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44493571356833 (or 44493571356830 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 400442142211443 its reverse (344112241244004), we get a palindrome (744554383455447).

The spelling of 400442142211443 in words is "four hundred trillion, four hundred forty-two billion, one hundred forty-two million, two hundred eleven thousand, four hundred forty-three".