40065126530 has 96 divisors (see below), whose sum is σ = 89420200128. Its totient is φ = 12740457600.

The previous prime is 40065126467. The next prime is 40065126539. The reversal of 40065126530 is 3562156004.

It is not an unprimeable number, because it can be changed into a prime (40065126539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 477425 + ... + 555035.

It is an arithmetic number, because the mean of its divisors is an integer number (931460418).

Almost surely, 2^40065126530 is an apocalyptic number.

40065126530 is an abundant number, since it is smaller than the sum of its proper divisors (49355073598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40065126530 is a wasteful number, since it uses less digits than its factorization.

40065126530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77680 (or 77661 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 40065126530 in words is "forty billion, sixty-five million, one hundred twenty-six thousand, five hundred thirty".