40044342530 has 16 divisors (see below), whose sum is σ = 73301509440. Its totient is φ = 15746249712.

The previous prime is 40044342529. The next prime is 40044342551. The reversal of 40044342530 is 3524344004.

It is a junction number, because it is equal to n+sod(n) for n = 40044342493 and 40044342502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33935294 + ... + 33936473.

It is an arithmetic number, because the mean of its divisors is an integer number (4581344340).

Almost surely, 2^40044342530 is an apocalyptic number.

40044342530 is a deficient number, since it is larger than the sum of its proper divisors (33257166910).

40044342530 is a wasteful number, since it uses less digits than its factorization.

40044342530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67871833.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 40044342530 its reverse (3524344004), we get a palindrome (43568686534).

The spelling of 40044342530 in words is "forty billion, forty-four million, three hundred forty-two thousand, five hundred thirty".