40137443736205 has 32 divisors (see below), whose sum is σ = 49841676066816. Its totient is φ = 30997307880000.

The previous prime is 40137443736199. The next prime is 40137443736209. The reversal of 40137443736205 is 50263734473104.

It is a happy number.

It is not a de Polignac number, because 40137443736205 - 2³ = 40137443736197 is a prime.

It is a super-2 number, since 2×40137443736205² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40137443736209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175764550 + ... + 175992760.

It is an arithmetic number, because the mean of its divisors is an integer number (1557552377088).

Almost surely, 2^{40137443736205} is an apocalyptic number.

It is an amenable number.

40137443736205 is a deficient number, since it is larger than the sum of its proper divisors (9704232330611).

40137443736205 is a wasteful number, since it uses less digits than its factorization.

40137443736205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231049.

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 40137443736205 in words is "forty trillion, one hundred thirty-seven billion, four hundred forty-three million, seven hundred thirty-six thousand, two hundred five".