40366554664 has 16 divisors (see below), whose sum is σ = 76020717600. Its totient is φ = 20094363312.

The previous prime is 40366554661. The next prime is 40366554673. The reversal of 40366554664 is 46645566304.

It is not an unprimeable number, because it can be changed into a prime (40366554661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11112324 + ... + 11115955.

It is an arithmetic number, because the mean of its divisors is an integer number (4751294850).

Almost surely, 2^40366554664 is an apocalyptic number.

It is an amenable number.

40366554664 is a deficient number, since it is larger than the sum of its proper divisors (35654162936).

40366554664 is a wasteful number, since it uses less digits than its factorization.

40366554664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22228512 (or 22228508 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

It can be divided in two parts, 403665 and 54664, that added together give a square (458329 = 677²).

The spelling of 40366554664 in words is "forty billion, three hundred sixty-six million, five hundred fifty-four thousand, six hundred sixty-four".