401422044000 has 384 divisors, whose sum is σ = 1386487065600. Its totient is φ = 101249740800.

The previous prime is 401422043989. The next prime is 401422044047. The reversal of 401422044000 is 440224104.

It is a super-2 number, since 2×401422044000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213635061 + ... + 213636939.

It is an arithmetic number, because the mean of its divisors is an integer number (3610643400).

Almost surely, 2^401422044000 is an apocalyptic number.

401422044000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401422044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693243532800).

401422044000 is an abundant number, since it is smaller than the sum of its proper divisors (985065021600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401422044000 is a wasteful number, since it uses less digits than its factorization.

401422044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863 (or 2845 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 401422044000 its reverse (440224104), we get a palindrome (401862268104).

The spelling of 401422044000 in words is "four hundred one billion, four hundred twenty-two million, forty-four thousand".