40224340432 has 20 divisors (see below), whose sum is σ = 80041002916. Its totient is φ = 19568597760.

The previous prime is 40224340427. The next prime is 40224340459. The reversal of 40224340432 is 23404342204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18137624976 + 22086715456 = 134676^2 + 148616^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40224340432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33972669 + ... + 33973852.

Almost surely, 2^40224340432 is an apocalyptic number.

It is an amenable number.

40224340432 is a deficient number, since it is larger than the sum of its proper divisors (39816662484).

40224340432 is a wasteful number, since it uses less digits than its factorization.

40224340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67946566 (or 67946560 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40224340432 its reverse (23404342204), we get a palindrome (63628682636).

The spelling of 40224340432 in words is "forty billion, two hundred twenty-four million, three hundred forty thousand, four hundred thirty-two".