40323010560 has 832 divisors, whose sum is σ = 157959175680. Its totient is φ = 8587837440.

The previous prime is 40323010543. The next prime is 40323010561. The reversal of 40323010560 is 6501032304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40323010560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323010561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 661032930 + ... + 661032990.

Almost surely, 2^40323010560 is an apocalyptic number.

40323010560 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 40323010560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78979587840).

40323010560 is an abundant number, since it is smaller than the sum of its proper divisors (117636165120).

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

40323010560 is a wasteful number, since it uses less digits than its factorization.

40323010560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 40323010560 its reverse (6501032304), we get a palindrome (46824042864).

The spelling of 40323010560 in words is "forty billion, three hundred twenty-three million, ten thousand, five hundred sixty".