40366680 has 64 divisors (see below), whose sum is σ = 123932160. Its totient is φ = 10512768.

The previous prime is 40366661. The next prime is 40366691. The reversal of 40366680 is 8666304.

It is a congruent 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, 1249 + ... + 9071.

It is an arithmetic number, because the mean of its divisors is an integer number (1936440).

Almost surely, 2^40366680 is an apocalyptic number.

40366680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40366680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61966080).

40366680 is an abundant number, since it is smaller than the sum of its proper divisors (83565480).

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

40366680 is a wasteful number, since it uses less digits than its factorization.

40366680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880 (or 7876 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40366680 is about 6353.4777877947. The cubic root of 40366680 is about 343.0370355564.

The spelling of 40366680 in words is "forty million, three hundred sixty-six thousand, six hundred eighty".