40000244044220 has 48 divisors (see below), whose sum is σ = 85613231309760. Its totient is φ = 15693109226496.

The previous prime is 40000244044219. The next prime is 40000244044253. The reversal of 40000244044220 is 2244044200004.

It is a self number, because there is not a number n which added to its sum of digits gives 40000244044220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2864237 + ... + 9391716.

It is an arithmetic number, because the mean of its divisors is an integer number (1783608985620).

Almost surely, 2^{40000244044220} is an apocalyptic number.

It is an amenable number.

40000244044220 is an abundant number, since it is smaller than the sum of its proper divisors (45612987265540).

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

40000244044220 is a wasteful number, since it uses less digits than its factorization.

40000244044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259094 (or 12259092 counting only the distinct ones).

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

Adding to 40000244044220 its reverse (2244044200004), we get a palindrome (42244288244224).

The spelling of 40000244044220 in words is "forty trillion, two hundred forty-four million, forty-four thousand, two hundred twenty".