401442230312 has 64 divisors (see below), whose sum is σ = 795453696000. Its totient is φ = 189639201024.

The previous prime is 401442230281. The next prime is 401442230327. The reversal of 401442230312 is 213032244104.

It is a super-2 number, since 2×401442230312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4617113 + ... + 4703255.

It is an arithmetic number, because the mean of its divisors is an integer number (12428964000).

Almost surely, 2^401442230312 is an apocalyptic number.

It is an amenable number.

401442230312 is a deficient number, since it is larger than the sum of its proper divisors (394011465688).

401442230312 is a wasteful number, since it uses less digits than its factorization.

401442230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86610 (or 86606 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 401442230312 its reverse (213032244104), we get a palindrome (614474474416).

The spelling of 401442230312 in words is "four hundred one billion, four hundred forty-two million, two hundred thirty thousand, three hundred twelve".