401421011224 has 16 divisors (see below), whose sum is σ = 755441759520. Its totient is φ = 199969875360.

The previous prime is 401421011221. The next prime is 401421011231. The reversal of 401421011224 is 422110124104.

It is a super-2 number, since 2×401421011224² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401421011195 and 401421011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401421011221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 92576479 + ... + 92580814.

It is an arithmetic number, because the mean of its divisors is an integer number (47215109970).

Almost surely, 2^401421011224 is an apocalyptic number.

It is an amenable number.

401421011224 is a deficient number, since it is larger than the sum of its proper divisors (354020748296).

401421011224 is a wasteful number, since it uses less digits than its factorization.

401421011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185157570 (or 185157566 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 401421011224 its reverse (422110124104), we get a palindrome (823531135328).

The spelling of 401421011224 in words is "four hundred one billion, four hundred twenty-one million, eleven thousand, two hundred twenty-four".