40444022442220 has 48 divisors (see below), whose sum is σ = 89935240459680. Its totient is φ = 15224839179264.

The previous prime is 40444022442191. The next prime is 40444022442323. The reversal of 40444022442220 is 2224422044404.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56167 + ... + 8993953.

It is an arithmetic number, because the mean of its divisors is an integer number (1873650842910).

Almost surely, 2^{40444022442220} is an apocalyptic number.

It is an amenable number.

40444022442220 is an abundant number, since it is smaller than the sum of its proper divisors (49491218017460).

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

40444022442220 is a wasteful number, since it uses less digits than its factorization.

40444022442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951122 (or 8951120 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 40444022442220 its reverse (2224422044404), we get a palindrome (42668444486624).

The spelling of 40444022442220 in words is "forty trillion, four hundred forty-four billion, twenty-two million, four hundred forty-two thousand, two hundred twenty".