40204331004224 has 56 divisors (see below), whose sum is σ = 83375513939520. Its totient is φ = 19198980061184.

The previous prime is 40204331004223. The next prime is 40204331004251. The reversal of 40204331004224 is 42240013340204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204331004223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19752809 + ... + 21692904.

Almost surely, 2^{40204331004224} is an apocalyptic number.

It is an amenable number.

40204331004224 is an abundant number, since it is smaller than the sum of its proper divisors (43171182935296).

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

40204331004224 is a wasteful number, since it uses less digits than its factorization.

40204331004224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41446407 (or 41446397 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40204331004224 its reverse (42240013340204), we get a palindrome (82444344344428).

The spelling of 40204331004224 in words is "forty trillion, two hundred four billion, three hundred thirty-one million, four thousand, two hundred twenty-four".