40040340430 has 32 divisors (see below), whose sum is σ = 72484183584. Its totient is φ = 15924903936.

The previous prime is 40040340427. The next prime is 40040340451. The reversal of 40040340430 is 3404304004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433074 + ... + 1460746.

It is an arithmetic number, because the mean of its divisors is an integer number (2265130737).

Almost surely, 2^40040340430 is an apocalyptic number.

40040340430 is a deficient number, since it is larger than the sum of its proper divisors (32443843154).

40040340430 is a wasteful number, since it uses less digits than its factorization.

40040340430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28500.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 40040340430 its reverse (3404304004), we get a palindrome (43444644434).

The spelling of 40040340430 in words is "forty billion, forty million, three hundred forty thousand, four hundred thirty".