40311224432 has 40 divisors (see below), whose sum is σ = 83348522496. Its totient is φ = 18820601856.

The previous prime is 40311224419. The next prime is 40311224441. The reversal of 40311224432 is 23442211304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548933 + ... + 618020.

Almost surely, 2^40311224432 is an apocalyptic number.

It is an amenable number.

40311224432 is an abundant number, since it is smaller than the sum of its proper divisors (43037298064).

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

40311224432 is a wasteful number, since it uses less digits than its factorization.

40311224432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167105 (or 1167099 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40311224432 its reverse (23442211304), we get a palindrome (63753435736).

The spelling of 40311224432 in words is "forty billion, three hundred eleven million, two hundred twenty-four thousand, four hundred thirty-two".