40737840338 has 8 divisors (see below), whose sum is σ = 65807280588. Its totient is φ = 18802080144.

The previous prime is 40737840337. The next prime is 40737840361. The reversal of 40737840338 is 83304873704.

It can be written as a sum of positive squares in 2 ways, for example, as 35127380929 + 5610459409 = 187423^2 + 74903^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40737840292 and 40737840301.

It is not an unprimeable number, because it can be changed into a prime (40737840337) 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 3 ways as a sum of consecutive naturals, for example, 783419981 + ... + 783420032.

Almost surely, 2^40737840338 is an apocalyptic number.

40737840338 is a deficient number, since it is larger than the sum of its proper divisors (25069440250).

40737840338 is a wasteful number, since it uses less digits than its factorization.

40737840338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566840028.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 40737840338 in words is "forty billion, seven hundred thirty-seven million, eight hundred forty thousand, three hundred thirty-eight".