40643434604 has 12 divisors (see below), whose sum is σ = 71537144784. Its totient is φ = 20204250384.

The previous prime is 40643434591. The next prime is 40643434627.

40643434604 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 29365952 + ... + 29367335.

It is an arithmetic number, because the mean of its divisors is an integer number (5961428732).

Almost surely, 2^40643434604 is an apocalyptic number.

It is an amenable number.

40643434604 is a deficient number, since it is larger than the sum of its proper divisors (30893710180).

40643434604 is a wasteful number, since it uses less digits than its factorization.

40643434604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58733464 (or 58733462 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 40643434604 in words is "forty billion, six hundred forty-three million, four hundred thirty-four thousand, six hundred four".