40736517732 has 120 divisors (see below), whose sum is σ = 110297187000. Its totient is φ = 13094936064.

The previous prime is 40736517677. The next prime is 40736517737. The reversal of 40736517732 is 23771563704.

It can be written as a sum of positive squares in 4 ways, for example, as 19646507556 + 21090010176 = 140166^2 + 145224^2 .

It is not an unprimeable number, because it can be changed into a prime (40736517737) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 9854338 + ... + 9858470.

It is an arithmetic number, because the mean of its divisors is an integer number (919143225).

Almost surely, 2^40736517732 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 40736517732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55148593500).

40736517732 is an abundant number, since it is smaller than the sum of its proper divisors (69560669268).

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

40736517732 is a wasteful number, since it uses less digits than its factorization.

40736517732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 40736517732 in words is "forty billion, seven hundred thirty-six million, five hundred seventeen thousand, seven hundred thirty-two".