40880266357866 has 16 divisors (see below), whose sum is σ = 88049804463264. Its totient is φ = 12578543494704.

The previous prime is 40880266357811. The next prime is 40880266357867. The reversal of 40880266357866 is 66875366208804.

It is a self number, because there is not a number n which added to its sum of digits gives 40880266357866.

It is not an unprimeable number, because it can be changed into a prime (40880266357867) 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, 262052989396 + ... + 262052989551.

It is an arithmetic number, because the mean of its divisors is an integer number (5503112778954).

Almost surely, 2^{40880266357866} is an apocalyptic number.

40880266357866 is an abundant number, since it is smaller than the sum of its proper divisors (47169538105398).

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

40880266357866 is a wasteful number, since it uses less digits than its factorization.

40880266357866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524105978965.

The product of its (nonzero) digits is 557383680, while the sum is 69.

The spelling of 40880266357866 in words is "forty trillion, eight hundred eighty billion, two hundred sixty-six million, three hundred fifty-seven thousand, eight hundred sixty-six".