40340722500 has 405 divisors, whose sum is σ = 139333203009. Its totient is φ = 9833616000.

The previous prime is 40340722447. The next prime is 40340722517. The reversal of 40340722500 is 522704304.

The square root of 40340722500 is 200850.

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

40340722500 is a `hidden beast` number, since 4 + 0 + 3 + 407 + 2 + 250 + 0 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 39845748996 + 494973504 = 199614^2 + 22248^2 .

It is an unprimeable number.

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 134 ways as a sum of consecutive naturals, for example, 391657449 + ... + 391657551.

Almost surely, 2^40340722500 is an apocalyptic number.

40340722500 is the 200850-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40340722500

40340722500 is an abundant number, since it is smaller than the sum of its proper divisors (98992480509).

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

40340722500 is a wasteful number, since it uses less digits than its factorization.

40340722500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The spelling of 40340722500 in words is "forty billion, three hundred forty million, seven hundred twenty-two thousand, five hundred".