40117723243686 has 384 divisors, whose sum is σ = 108339769036800. Its totient is φ = 10936975104000.

The previous prime is 40117723243651. The next prime is 40117723243693. The reversal of 40117723243686 is 68634232771104.

40117723243686 is a `hidden beast` number, since 4 + 0 + 1 + 177 + 2 + 32 + 436 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4601179635 + ... + 4601188353.

It is an arithmetic number, because the mean of its divisors is an integer number (282134815200).

Almost surely, 2^{40117723243686} is an apocalyptic number.

40117723243686 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40117723243686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54169884518400).

40117723243686 is an abundant number, since it is smaller than the sum of its proper divisors (68222045793114).

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

40117723243686 is a wasteful number, since it uses less digits than its factorization.

40117723243686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593 (or 10576 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 40117723243686 in words is "forty trillion, one hundred seventeen billion, seven hundred twenty-three million, two hundred forty-three thousand, six hundred eighty-six".