40327365864 has 64 divisors (see below), whose sum is σ = 106857057600. Its totient is φ = 12638905344.

The previous prime is 40327365863. The next prime is 40327365887. The reversal of 40327365864 is 46856372304.

It is not an unprimeable number, because it can be changed into a prime (40327365863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357207 + ... + 456345.

It is an arithmetic number, because the mean of its divisors is an integer number (1669641525).

Almost surely, 2^40327365864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40327365864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53428528800).

40327365864 is an abundant number, since it is smaller than the sum of its proper divisors (66529691736).

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

40327365864 is a wasteful number, since it uses less digits than its factorization.

40327365864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100162 (or 100158 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 40327365864 in words is "forty billion, three hundred twenty-seven million, three hundred sixty-five thousand, eight hundred sixty-four".