40066255448660 has 48 divisors (see below), whose sum is σ = 96159445837056. Its totient is φ = 13736940045312.

The previous prime is 40066255448641. The next prime is 40066255448669. The reversal of 40066255448660 is 6684455266004.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40066255448596 and 40066255448605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40066255448669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39464969 + ... + 40467471.

It is an arithmetic number, because the mean of its divisors is an integer number (2003321788272).

Almost surely, 2^{40066255448660} is an apocalyptic number.

It is an amenable number.

40066255448660 is an abundant number, since it is smaller than the sum of its proper divisors (56093190388396).

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

40066255448660 is a wasteful number, since it uses less digits than its factorization.

40066255448660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287992 (or 1287990 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 56.

The spelling of 40066255448660 in words is "forty trillion, sixty-six billion, two hundred fifty-five million, four hundred forty-eight thousand, six hundred sixty".