421044113324140 has 24 divisors (see below), whose sum is σ = 889617132699120. Its totient is φ = 167384408240448.

The previous prime is 421044113324129. The next prime is 421044113324143. The reversal of 421044113324140 is 41423311440124.

It is a super-2 number, since 2×421044113324140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421044113324096 and 421044113324105.

It is not an unprimeable number, because it can be changed into a prime (421044113324143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64577314735 + ... + 64577321254.

It is an arithmetic number, because the mean of its divisors is an integer number (37067380529130).

Almost surely, 2^{421044113324140} is an apocalyptic number.

It is an amenable number.

421044113324140 is an abundant number, since it is smaller than the sum of its proper divisors (468573019374980).

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

421044113324140 is a wasteful number, since it uses less digits than its factorization.

421044113324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129154636161 (or 129154636159 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 421044113324140 its reverse (41423311440124), we get a palindrome (462467424764264).

The spelling of 421044113324140 in words is "four hundred twenty-one trillion, forty-four billion, one hundred thirteen million, three hundred twenty-four thousand, one hundred forty".