40080742308 has 36 divisors (see below), whose sum is σ = 107274929580. Its totient is φ = 12574350336.

The previous prime is 40080742283. The next prime is 40080742309. The reversal of 40080742308 is 80324708004.

It can be written as a sum of positive squares in 2 ways, for example, as 29636311104 + 10444431204 = 172152^2 + 102198^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40080742309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32745093 + ... + 32746316.

It is an arithmetic number, because the mean of its divisors is an integer number (2979859155).

Almost surely, 2^40080742308 is an apocalyptic number.

It is an amenable number.

40080742308 is an abundant number, since it is smaller than the sum of its proper divisors (67194187272).

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

40080742308 is a wasteful number, since it uses less digits than its factorization.

40080742308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65491436 (or 65491431 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 40080742308 in words is "forty billion, eighty million, seven hundred forty-two thousand, three hundred eight".