40424210432 has 64 divisors (see below), whose sum is σ = 82821822300. Its totient is φ = 19718471680.

The previous prime is 40424210419. The next prime is 40424210447. The reversal of 40424210432 is 23401242404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37208866816 + 3215343616 = 192896^2 + 56704^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328444 + ... + 1358532.

Almost surely, 2^40424210432 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 40424210432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41410911150).

40424210432 is an abundant number, since it is smaller than the sum of its proper divisors (42397611868).

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

40424210432 is an frugal number, since it uses more digits than its factorization.

40424210432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30160 (or 30132 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40424210432 its reverse (23401242404), we get a palindrome (63825452836).

The spelling of 40424210432 in words is "forty billion, four hundred twenty-four million, two hundred ten thousand, four hundred thirty-two".