40496709538 has 8 divisors (see below), whose sum is σ = 60776495388. Its totient is φ = 20237877744.

The previous prime is 40496709521. The next prime is 40496709559. The reversal of 40496709538 is 83590769404.

It can be written as a sum of positive squares in 2 ways, for example, as 40468161889 + 28547649 = 201167^2 + 5343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5233681 + ... + 5241412.

Almost surely, 2^40496709538 is an apocalyptic number.

40496709538 is a deficient number, since it is larger than the sum of its proper divisors (20279785850).

40496709538 is a wasteful number, since it uses less digits than its factorization.

40496709538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477028.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 40496709538 in words is "forty billion, four hundred ninety-six million, seven hundred nine thousand, five hundred thirty-eight".