40520905337 has 16 divisors (see below), whose sum is σ = 44321592960. Its totient is φ = 36739852800.

The previous prime is 40520905331. The next prime is 40520905393. The reversal of 40520905337 is 73350902504.

It is a cyclic number.

It is not a de Polignac number, because 40520905337 - 2⁶ = 40520905273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40520905337.

It is not an unprimeable number, because it can be changed into a prime (40520905331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7629839 + ... + 7635147.

It is an arithmetic number, because the mean of its divisors is an integer number (2770099560).

Almost surely, 2^40520905337 is an apocalyptic number.

It is an amenable number.

40520905337 is a deficient number, since it is larger than the sum of its proper divisors (3800687623).

40520905337 is a wasteful number, since it uses less digits than its factorization.

40520905337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 40520905337 in words is "forty billion, five hundred twenty million, nine hundred five thousand, three hundred thirty-seven".