40004144434 has 32 divisors (see below), whose sum is σ = 65262879360. Its totient is φ = 18329875200.

The previous prime is 40004144429. The next prime is 40004144447. The reversal of 40004144434 is 43444140004.

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 15 ways as a sum of consecutive naturals, for example, 3114 + ... + 282874.

It is an arithmetic number, because the mean of its divisors is an integer number (2039464980).

Almost surely, 2^40004144434 is an apocalyptic number.

40004144434 is a deficient number, since it is larger than the sum of its proper divisors (25258734926).

40004144434 is a wasteful number, since it uses less digits than its factorization.

40004144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279906.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40004144434 its reverse (43444140004), we get a palindrome (83448284438).

The spelling of 40004144434 in words is "forty billion, four million, one hundred forty-four thousand, four hundred thirty-four".