40444022242220 has 24 divisors (see below), whose sum is σ = 84932711967600. Its totient is φ = 16177558371392.

The previous prime is 40444022242213. The next prime is 40444022242231. The reversal of 40444022242220 is 2224222044404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777491 + ... + 9754869.

It is an arithmetic number, because the mean of its divisors is an integer number (3538862998650).

Almost surely, 2^{40444022242220} is an apocalyptic number.

It is an amenable number.

40444022242220 is an abundant number, since it is smaller than the sum of its proper divisors (44488689725380).

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

40444022242220 is a wasteful number, since it uses less digits than its factorization.

40444022242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315697 (or 6315695 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40444022242220 its reverse (2224222044404), we get a palindrome (42668244286624).

The spelling of 40444022242220 in words is "forty trillion, four hundred forty-four billion, twenty-two million, two hundred forty-two thousand, two hundred twenty".