40446406006 has 4 divisors (see below), whose sum is σ = 60669609012. Its totient is φ = 20223203002.

The previous prime is 40446406003. The next prime is 40446406027. The reversal of 40446406006 is 60060464404.

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 (40446406003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111601500 + ... + 10111601503.

It is an arithmetic number, because the mean of its divisors is an integer number (15167402253).

Almost surely, 2^40446406006 is an apocalyptic number.

40446406006 is a deficient number, since it is larger than the sum of its proper divisors (20223203006).

40446406006 is a wasteful number, since it uses less digits than its factorization.

40446406006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20223203005.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40446406006 in words is "forty billion, four hundred forty-six million, four hundred six thousand, six".