40137240357338 has 16 divisors (see below), whose sum is σ = 60454128054600. Its totient is φ = 19986008640576.

The previous prime is 40137240357329. The next prime is 40137240357371. The reversal of 40137240357338 is 83375304273104.

It can be written as a sum of positive squares in 4 ways, for example, as 32027144518009 + 8110095839329 = 5659253^2 + 2847823^2 .

It is a super-2 number, since 2×40137240357338² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35518481 + ... + 36631092.

Almost surely, 2^{40137240357338} is an apocalyptic number.

40137240357338 is a deficient number, since it is larger than the sum of its proper divisors (20316887697262).

40137240357338 is a wasteful number, since it uses less digits than its factorization.

40137240357338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72150721.

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 40137240357338 in words is "forty trillion, one hundred thirty-seven billion, two hundred forty million, three hundred fifty-seven thousand, three hundred thirty-eight".