42400323104 has 24 divisors (see below), whose sum is σ = 84844093068. Its totient is φ = 20852616960.

The previous prime is 42400323073. The next prime is 42400323109. The reversal of 42400323104 is 40132300424.

It can be written as a sum of positive squares in 2 ways, for example, as 42394810000 + 5513104 = 205900^2 + 2348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42400323104.

It is not an unprimeable number, because it can be changed into a prime (42400323109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10858787 + ... + 10862690.

Almost surely, 2^42400323104 is an apocalyptic number.

It is an amenable number.

42400323104 is an abundant number, since it is smaller than the sum of its proper divisors (42443769964).

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

42400323104 is a wasteful number, since it uses less digits than its factorization.

42400323104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721548 (or 21721540 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42400323104 its reverse (40132300424), we get a palindrome (82532623528).

The spelling of 42400323104 in words is "forty-two billion, four hundred million, three hundred twenty-three thousand, one hundred four".