40440512530 has 16 divisors (see below), whose sum is σ = 79410461184. Its totient is φ = 14705640880.

The previous prime is 40440512507. The next prime is 40440512531. The reversal of 40440512530 is 3521504404.

It is not an unprimeable number, because it can be changed into a prime (40440512531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183820402 + ... + 183820621.

It is an arithmetic number, because the mean of its divisors is an integer number (4963153824).

Almost surely, 2^40440512530 is an apocalyptic number.

40440512530 is a deficient number, since it is larger than the sum of its proper divisors (38969948654).

40440512530 is a wasteful number, since it uses less digits than its factorization.

40440512530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367641041.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 40440512530 in words is "forty billion, four hundred forty million, five hundred twelve thousand, five hundred thirty".