40326732684 has 192 divisors, whose sum is σ = 121603507200. Its totient is φ = 11319492096.

The previous prime is 40326732679. The next prime is 40326732689. The reversal of 40326732684 is 48623762304.

It is an interprime number because it is at equal distance from previous prime (40326732679) and next prime (40326732689).

It is not an unprimeable number, because it can be changed into a prime (40326732689) 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 63 ways as a sum of consecutive naturals, for example, 10965454 + ... + 10969130.

It is an arithmetic number, because the mean of its divisors is an integer number (633351600).

Almost surely, 2^40326732684 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 40326732684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60801753600).

40326732684 is an abundant number, since it is smaller than the sum of its proper divisors (81276774516).

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

40326732684 is a wasteful number, since it uses less digits than its factorization.

40326732684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 40326732684 in words is "forty billion, three hundred twenty-six million, seven hundred thirty-two thousand, six hundred eighty-four".