40044403530 has 48 divisors (see below), whose sum is σ = 104327612064. Its totient is φ = 10656747360.

The previous prime is 40044403523. The next prime is 40044403559. The reversal of 40044403530 is 3530444004.

It is a junction number, because it is equal to n+sod(n) for n = 40044403494 and 40044403503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408904 + ... + 497283.

It is an arithmetic number, because the mean of its divisors is an integer number (2173491918).

Almost surely, 2^40044403530 is an apocalyptic number.

40044403530 is an abundant number, since it is smaller than the sum of its proper divisors (64283208534).

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

40044403530 is a wasteful number, since it uses less digits than its factorization.

40044403530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906691 (or 906688 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 40044403530 its reverse (3530444004), we get a palindrome (43574847534).

The spelling of 40044403530 in words is "forty billion, forty-four million, four hundred three thousand, five hundred thirty".