401421214244 has 12 divisors (see below), whose sum is σ = 726710819100. Its totient is φ = 193789551648.

The previous prime is 401421214219. The next prime is 401421214261. The reversal of 401421214244 is 442412124104.

It can be written as a sum of positive squares in 2 ways, for example, as 279934111744 + 121487102500 = 529088^2 + 348550^2 .

It is a super-2 number, since 2×401421214244² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730263739 + ... + 1730263970.

It is an arithmetic number, because the mean of its divisors is an integer number (60559234925).

Almost surely, 2^401421214244 is an apocalyptic number.

It is an amenable number.

401421214244 is a deficient number, since it is larger than the sum of its proper divisors (325289604856).

401421214244 is a wasteful number, since it uses less digits than its factorization.

401421214244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460527742 (or 3460527740 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 401421214244 its reverse (442412124104), we get a palindrome (843833338348).

The spelling of 401421214244 in words is "four hundred one billion, four hundred twenty-one million, two hundred fourteen thousand, two hundred forty-four".