40600042646 has 4 divisors (see below), whose sum is σ = 60900063972. Its totient is φ = 20300021322.

The previous prime is 40600042643. The next prime is 40600042709. The reversal of 40600042646 is 64624000604.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40600042643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150010660 + ... + 10150010663.

It is an arithmetic number, because the mean of its divisors is an integer number (15225015993).

Almost surely, 2^40600042646 is an apocalyptic number.

40600042646 is a deficient number, since it is larger than the sum of its proper divisors (20300021326).

40600042646 is a wasteful number, since it uses less digits than its factorization.

40600042646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300021325.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 40600042646 in words is "forty billion, six hundred million, forty-two thousand, six hundred forty-six".