40074434596 has 81 divisors (see below), whose sum is σ = 83084848497. Its totient is φ = 16863668640.

The previous prime is 40074434591. The next prime is 40074434623. The reversal of 40074434596 is 69543447004.

The square root of 40074434596 is 200186.

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

It can be written as a sum of positive squares in only one way, i.e., 441588196 + 39632846400 = 21014^2 + 199080^2 .

It is not an unprimeable number, because it can be changed into a prime (40074434591) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 221405626 + ... + 221405806.

Almost surely, 2^40074434596 is an apocalyptic number.

40074434596 is the 200186-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40074434596

40074434596 is an abundant number, since it is smaller than the sum of its proper divisors (43010413901).

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

40074434596 is an equidigital number, since it uses as much as digits as its factorization.

40074434596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 40074434596 in words is "forty billion, seventy-four million, four hundred thirty-four thousand, five hundred ninety-six".