40204432268 has 192 divisors, whose sum is σ = 100927669248. Its totient is φ = 13485588480.

The previous prime is 40204432267. The next prime is 40204432273. The reversal of 40204432268 is 86223440204.

It is not an unprimeable number, because it can be changed into a prime (40204432267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7689071 + ... + 7694297.

It is an arithmetic number, because the mean of its divisors is an integer number (525664944).

Almost surely, 2^40204432268 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 40204432268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50463834624).

40204432268 is an abundant number, since it is smaller than the sum of its proper divisors (60723236980).

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

40204432268 is a wasteful number, since it uses less digits than its factorization.

40204432268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 40204432268 in words is "forty billion, two hundred four million, four hundred thirty-two thousand, two hundred sixty-eight".