401444304212 has 192 divisors, whose sum is σ = 880836042240. Its totient is φ = 156214738944.

The previous prime is 401444304199. The next prime is 401444304253. The reversal of 401444304212 is 212403444104.

It is a super-2 number, since 2×401444304212² (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, 314364518 + ... + 314365794.

It is an arithmetic number, because the mean of its divisors is an integer number (4587687720).

Almost surely, 2^401444304212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401444304212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440418021120).

401444304212 is an abundant number, since it is smaller than the sum of its proper divisors (479391738028).

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

401444304212 is a wasteful number, since it uses less digits than its factorization.

401444304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 401444304212 its reverse (212403444104), we get a palindrome (613847748316).

The spelling of 401444304212 in words is "four hundred one billion, four hundred forty-four million, three hundred four thousand, two hundred twelve".