400022144425001 has 16 divisors (see below), whose sum is σ = 467070304123008. Its totient is φ = 335507767372800.

The previous prime is 400022144424919. The next prime is 400022144425009. The reversal of 400022144425001 is 100524441220004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 400022144425001 - 2²² = 400022140230697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400022144425009) 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, 2426912435 + ... + 2427077256.

It is an arithmetic number, because the mean of its divisors is an integer number (29191894007688).

Almost surely, 2^{400022144425001} is an apocalyptic number.

It is an amenable number.

400022144425001 is a deficient number, since it is larger than the sum of its proper divisors (67048159698007).

400022144425001 is a wasteful number, since it uses less digits than its factorization.

400022144425001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853989952.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 400022144425001 its reverse (100524441220004), we get a palindrome (500546585645005).

The spelling of 400022144425001 in words is "four hundred trillion, twenty-two billion, one hundred forty-four million, four hundred twenty-five thousand, one".