40204102213520 has 80 divisors (see below), whose sum is σ = 106846309815168. Its totient is φ = 13781906611200.

The previous prime is 40204102213501. The next prime is 40204102213523. The reversal of 40204102213520 is 2531220140204.

40204102213520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 40204102213520.

It is not an unprimeable number, because it can be changed into a prime (40204102213523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2858549 + ... + 9411668.

Almost surely, 2^{40204102213520} is an apocalyptic number.

40204102213520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40204102213520 is an abundant number, since it is smaller than the sum of its proper divisors (66642207601648).

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

40204102213520 is a wasteful number, since it uses less digits than its factorization.

40204102213520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276088 (or 12276082 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40204102213520 its reverse (2531220140204), we get a palindrome (42735322353724).

The spelling of 40204102213520 in words is "forty trillion, two hundred four billion, one hundred two million, two hundred thirteen thousand, five hundred twenty".