140450040066 has 32 divisors (see below), whose sum is σ = 324145456128. Its totient is φ = 39738983760.

The previous prime is 140450040007. The next prime is 140450040083. The reversal of 140450040066 is 660040054041.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16228920 + ... + 16237571.

It is an arithmetic number, because the mean of its divisors is an integer number (10129545504).

Almost surely, 2^140450040066 is an apocalyptic number.

140450040066 is an abundant number, since it is smaller than the sum of its proper divisors (183695416062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140450040066 is a wasteful number, since it uses less digits than its factorization.

140450040066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32466606.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 140450040066 in words is "one hundred forty billion, four hundred fifty million, forty thousand, sixty-six".