40066200646 has 16 divisors (see below), whose sum is σ = 61571910960. Its totient is φ = 19542337920.

The previous prime is 40066200637. The next prime is 40066200667. The reversal of 40066200646 is 64600266004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929050 + ... + 971218.

It is an arithmetic number, because the mean of its divisors is an integer number (3848244435).

Almost surely, 2^40066200646 is an apocalyptic number.

40066200646 is a deficient number, since it is larger than the sum of its proper divisors (21505710314).

40066200646 is a wasteful number, since it uses less digits than its factorization.

40066200646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53799.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 40066200646 in words is "forty billion, sixty-six million, two hundred thousand, six hundred forty-six".