40242424444220 has 96 divisors (see below), whose sum is σ = 89351582664960. Its totient is φ = 15207763253760.

The previous prime is 40242424444193. The next prime is 40242424444331. The reversal of 40242424444220 is 2244442424204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2965994 + ... + 9448913.

It is an arithmetic number, because the mean of its divisors is an integer number (930745652760).

Almost surely, 2^{40242424444220} is an apocalyptic number.

It is an amenable number.

40242424444220 is an abundant number, since it is smaller than the sum of its proper divisors (49109158220740).

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

40242424444220 is a wasteful number, since it uses less digits than its factorization.

40242424444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415083 (or 12415081 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 40242424444220 its reverse (2244442424204), we get a palindrome (42486866868424).

The spelling of 40242424444220 in words is "forty trillion, two hundred forty-two billion, four hundred twenty-four million, four hundred forty-four thousand, two hundred twenty".