40044020242220 has 48 divisors (see below), whose sum is σ = 86763638021760. Its totient is φ = 15516460068096.

The previous prime is 40044020242217. The next prime is 40044020242223. The reversal of 40044020242220 is 2224202044004.

40044020242220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40044020242217) and next prime (40044020242223).

It is a self number, because there is not a number n which added to its sum of digits gives 40044020242220.

It is not an unprimeable number, because it can be changed into a prime (40044020242223) 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, 239013587 + ... + 239181066.

It is an arithmetic number, because the mean of its divisors is an integer number (1807575792120).

Almost surely, 2^{40044020242220} is an apocalyptic number.

It is an amenable number.

40044020242220 is an abundant number, since it is smaller than the sum of its proper divisors (46719617779540).

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

40044020242220 is a wasteful number, since it uses less digits than its factorization.

40044020242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478194794 (or 478194792 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40044020242220 its reverse (2224202044004), we get a palindrome (42268222286224).

The spelling of 40044020242220 in words is "forty trillion, forty-four billion, twenty million, two hundred forty-two thousand, two hundred twenty".