40520207534 has 8 divisors (see below), whose sum is σ = 60913311168. Its totient is φ = 20215770480.

The previous prime is 40520207521. The next prime is 40520207537. The reversal of 40520207534 is 43570202504.

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

It is a super-2 number, since 2×40520207534² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40520207534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40520207537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22165502 + ... + 22167329.

It is an arithmetic number, because the mean of its divisors is an integer number (7614163896).

Almost surely, 2^40520207534 is an apocalyptic number.

40520207534 is a deficient number, since it is larger than the sum of its proper divisors (20393103634).

40520207534 is a wasteful number, since it uses less digits than its factorization.

40520207534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44333290.

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 40520207534 in words is "forty billion, five hundred twenty million, two hundred seven thousand, five hundred thirty-four".