421000142323044 has 48 divisors (see below), whose sum is σ = 982776080563200. Its totient is φ = 140270191161120.

The previous prime is 421000142322931. The next prime is 421000142323091. The reversal of 421000142323044 is 440323241000124.

It is a super-2 number, since 2×421000142323044² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269329609 + ... + 270888239.

It is an arithmetic number, because the mean of its divisors is an integer number (20474501678400).

Almost surely, 2^{421000142323044} is an apocalyptic number.

It is an amenable number.

421000142323044 is an abundant number, since it is smaller than the sum of its proper divisors (561775938240156).

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

421000142323044 is a wasteful number, since it uses less digits than its factorization.

421000142323044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568760 (or 1568758 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 421000142323044 its reverse (440323241000124), we get a palindrome (861323383323168).

The spelling of 421000142323044 in words is "four hundred twenty-one trillion, one hundred forty-two million, three hundred twenty-three thousand, forty-four".