40450305132 has 144 divisors (see below), whose sum is σ = 112018233600. Its totient is φ = 12258449280.

The previous prime is 40450305131. The next prime is 40450305139. The reversal of 40450305132 is 23150305404.

It is a junction number, because it is equal to n+sod(n) for n = 40450305096 and 40450305105.

It is not an unprimeable number, because it can be changed into a prime (40450305131) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3306507 + ... + 3318717.

It is an arithmetic number, because the mean of its divisors is an integer number (777904400).

Almost surely, 2^40450305132 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 40450305132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56009116800).

40450305132 is an abundant number, since it is smaller than the sum of its proper divisors (71567928468).

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

40450305132 is a wasteful number, since it uses less digits than its factorization.

40450305132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12436 (or 12431 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 40450305132 in words is "forty billion, four hundred fifty million, three hundred five thousand, one hundred thirty-two".