40515324432 has 120 divisors (see below), whose sum is σ = 116502126720. Its totient is φ = 12121824000.

The previous prime is 40515324431. The next prime is 40515324491. The reversal of 40515324432 is 23442351504.

It is a super-2 number, since 2×40515324432² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 40515324393 and 40515324402.

It is not an unprimeable number, because it can be changed into a prime (40515324431) 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 23 ways as a sum of consecutive naturals, for example, 414682 + ... + 502982.

It is an arithmetic number, because the mean of its divisors is an integer number (970851056).

Almost surely, 2^40515324432 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 40515324432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58251063360).

40515324432 is an abundant number, since it is smaller than the sum of its proper divisors (75986802288).

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

40515324432 is a wasteful number, since it uses less digits than its factorization.

40515324432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88413 (or 88396 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 40515324432 its reverse (23442351504), we get a palindrome (63957675936).

The spelling of 40515324432 in words is "forty billion, five hundred fifteen million, three hundred twenty-four thousand, four hundred thirty-two".