401436223204 has 6 divisors (see below), whose sum is σ = 702513390614. Its totient is φ = 200718111600.

The previous prime is 401436223169. The next prime is 401436223213. The reversal of 401436223204 is 402322634104.

It can be written as a sum of positive squares in only one way, i.e., 400180229604 + 1255993600 = 632598^2 + 35440^2 .

It is a super-2 number, since 2×401436223204² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50179527897 + ... + 50179527904.

Almost surely, 2^401436223204 is an apocalyptic number.

It is an amenable number.

401436223204 is a deficient number, since it is larger than the sum of its proper divisors (301077167410).

401436223204 is a wasteful number, since it uses less digits than its factorization.

401436223204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100359055805 (or 100359055803 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 401436223204 its reverse (402322634104), we get a palindrome (803758857308).

The spelling of 401436223204 in words is "four hundred one billion, four hundred thirty-six million, two hundred twenty-three thousand, two hundred four".