40503450432 has 56 divisors (see below), whose sum is σ = 111824755776. Its totient is φ = 12914142208.

The previous prime is 40503450397. The next prime is 40503450479. The reversal of 40503450432 is 23405430504.

It is a self number, because there is not a number n which added to its sum of digits gives 40503450432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581573 + ... + 4590404.

Almost surely, 2^40503450432 is an apocalyptic number.

It is an amenable number.

40503450432 is an abundant number, since it is smaller than the sum of its proper divisors (71321305344).

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

40503450432 is a wasteful number, since it uses less digits than its factorization.

40503450432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172015 (or 9172005 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 40503450432 its reverse (23405430504), we get a palindrome (63908880936).

The spelling of 40503450432 in words is "forty billion, five hundred three million, four hundred fifty thousand, four hundred thirty-two".