400221442225124 has 24 divisors (see below), whose sum is σ = 754615453643520. Its totient is φ = 184631392872864.

The previous prime is 400221442225063. The next prime is 400221442225159. The reversal of 400221442225124 is 421522244122004.

It is a super-3 number, since 3×400221442225124³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795634294 + ... + 1795857165.

It is an arithmetic number, because the mean of its divisors is an integer number (31442310568480).

Almost surely, 2^{400221442225124} is an apocalyptic number.

It is an amenable number.

400221442225124 is a deficient number, since it is larger than the sum of its proper divisors (354394011418396).

400221442225124 is a wasteful number, since it uses less digits than its factorization.

400221442225124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591493619 (or 3591493617 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 400221442225124 its reverse (421522244122004), we get a palindrome (821743686347128).

The spelling of 400221442225124 in words is "four hundred trillion, two hundred twenty-one billion, four hundred forty-two million, two hundred twenty-five thousand, one hundred twenty-four".