40864622500 has 135 divisors (see below), whose sum is σ = 97077732213. Its totient is φ = 15039960000.

The previous prime is 40864622497. The next prime is 40864622507. The reversal of 40864622500 is 522646804.

The square root of 40864622500 is 202150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 40363220836 + 501401664 = 200906^2 + 22392^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40864622500.

It is not an unprimeable number, because it can be changed into a prime (40864622507) 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 44 ways as a sum of consecutive naturals, for example, 131397345 + ... + 131397655.

Almost surely, 2^40864622500 is an apocalyptic number.

40864622500 is the 202150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40864622500

40864622500 is an abundant number, since it is smaller than the sum of its proper divisors (56213109713).

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

40864622500 is an equidigital number, since it uses as much as digits as its factorization.

40864622500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 40864622500 in words is "forty billion, eight hundred sixty-four million, six hundred twenty-two thousand, five hundred".