40042341432 has 48 divisors (see below), whose sum is σ = 108870035040. Its totient is φ = 13295505408.

The previous prime is 40042341403. The next prime is 40042341439. The reversal of 40042341432 is 23414324004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40042341396 and 40042341405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042341439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063488 + ... + 1100495.

It is an arithmetic number, because the mean of its divisors is an integer number (2268125730).

Almost surely, 2^40042341432 is an apocalyptic number.

It is an amenable number.

40042341432 is an abundant number, since it is smaller than the sum of its proper divisors (68827693608).

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

40042341432 is a wasteful number, since it uses less digits than its factorization.

40042341432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164252 (or 2164245 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40042341432 its reverse (23414324004), we get a palindrome (63456665436).

The spelling of 40042341432 in words is "forty billion, forty-two million, three hundred forty-one thousand, four hundred thirty-two".