40001366342502 has 72 divisors (see below), whose sum is σ = 91611356694624. Its totient is φ = 12612664506528.

The previous prime is 40001366342489. The next prime is 40001366342507. The reversal of 40001366342502 is 20524366310004.

40001366342502 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 13 + 6 + 634 + 2 + 5 + 0 + 2 = 666.

40001366342502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001366342507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 470398 + ... + 8956785.

It is an arithmetic number, because the mean of its divisors is an integer number (1272379954092).

Almost surely, 2^{40001366342502} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40001366342502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45805678347312).

40001366342502 is an abundant number, since it is smaller than the sum of its proper divisors (51609990352122).

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

40001366342502 is a wasteful number, since it uses less digits than its factorization.

40001366342502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9427882 (or 9427860 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 40001366342502 in words is "forty trillion, one billion, three hundred sixty-six million, three hundred forty-two thousand, five hundred two".