40004212432 has 60 divisors (see below), whose sum is σ = 82637184096. Its totient is φ = 18724995520.

The previous prime is 40004212387. The next prime is 40004212453. The reversal of 40004212432 is 23421240004.

It is a happy number.

40004212432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788307 + ... + 837517.

Almost surely, 2^40004212432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40004212432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41318592048).

40004212432 is an abundant number, since it is smaller than the sum of its proper divisors (42632971664).

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

40004212432 is a wasteful number, since it uses less digits than its factorization.

40004212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49336 (or 49283 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40004212432 its reverse (23421240004), we get a palindrome (63425452436).

The spelling of 40004212432 in words is "forty billion, four million, two hundred twelve thousand, four hundred thirty-two".