401043454512 has 20 divisors (see below), whose sum is σ = 1036028924280. Its totient is φ = 133681151488.

The previous prime is 401043454507. The next prime is 401043454523. The reversal of 401043454512 is 215454340104.

It is a happy number.

It is a super-2 number, since 2×401043454512² (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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177535937 + ... + 4177536032.

It is an arithmetic number, because the mean of its divisors is an integer number (51801446214).

Almost surely, 2^401043454512 is an apocalyptic number.

It is an amenable number.

401043454512 is an abundant number, since it is smaller than the sum of its proper divisors (634985469768).

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

401043454512 is a wasteful number, since it uses less digits than its factorization.

401043454512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355071980 (or 8355071974 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 401043454512 its reverse (215454340104), we get a palindrome (616497794616).

The spelling of 401043454512 in words is "four hundred one billion, forty-three million, four hundred fifty-four thousand, five hundred twelve".