40404030442 has 48 divisors (see below), whose sum is σ = 64658321280. Its totient is φ = 18932014656.

The previous prime is 40404030413. The next prime is 40404030449. The reversal of 40404030442 is 24403040404.

It is not an unprimeable number, because it can be changed into a prime (40404030449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36830838 + ... + 36831934.

It is an arithmetic number, because the mean of its divisors is an integer number (1347048360).

Almost surely, 2^40404030442 is an apocalyptic number.

40404030442 is a deficient number, since it is larger than the sum of its proper divisors (24254290838).

40404030442 is a wasteful number, since it uses less digits than its factorization.

40404030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40404030442 its reverse (24403040404), we get a palindrome (64807070846).

The spelling of 40404030442 in words is "forty billion, four hundred four million, thirty thousand, four hundred forty-two".