401444205112 has 32 divisors (see below), whose sum is σ = 753459688800. Its totient is φ = 200521728000.

The previous prime is 401444205109. The next prime is 401444205137. The reversal of 401444205112 is 211502444104.

It is a happy number.

It is a super-2 number, since 2×401444205112² (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 7 ways as a sum of consecutive naturals, for example, 52880437 + ... + 52888027.

It is an arithmetic number, because the mean of its divisors is an integer number (23545615275).

Almost surely, 2^401444205112 is an apocalyptic number.

It is an amenable number.

401444205112 is a deficient number, since it is larger than the sum of its proper divisors (352015483688).

401444205112 is a wasteful number, since it uses less digits than its factorization.

401444205112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13327 (or 13323 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 401444205112 its reverse (211502444104), we get a palindrome (612946649216).

The spelling of 401444205112 in words is "four hundred one billion, four hundred forty-four million, two hundred five thousand, one hundred twelve".