40008444466 has 16 divisors (see below), whose sum is σ = 60081523200. Its totient is φ = 19981287040.

The previous prime is 40008444449. The next prime is 40008444467. The reversal of 40008444466 is 66444480004.

It is not an unprimeable number, because it can be changed into a prime (40008444467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9982635 + ... + 9986641.

It is an arithmetic number, because the mean of its divisors is an integer number (3755095200).

Almost surely, 2^40008444466 is an apocalyptic number.

40008444466 is a deficient number, since it is larger than the sum of its proper divisors (20073078734).

40008444466 is a wasteful number, since it uses less digits than its factorization.

40008444466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 40008444466 in words is "forty billion, eight million, four hundred forty-four thousand, four hundred sixty-six".