40222201430144 has 128 divisors (see below), whose sum is σ = 88543461830400. Its totient is φ = 18102905339904.

The previous prime is 40222201430141. The next prime is 40222201430179. The reversal of 40222201430144 is 44103410222204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (40222201430141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446833589 + ... + 446923595.

It is an arithmetic number, because the mean of its divisors is an integer number (691745795550).

Almost surely, 2^{40222201430144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40222201430144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44271730915200).

40222201430144 is an abundant number, since it is smaller than the sum of its proper divisors (48321260400256).

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

40222201430144 is a wasteful number, since it uses less digits than its factorization.

40222201430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98990 (or 98978 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40222201430144 its reverse (44103410222204), we get a palindrome (84325611652348).

The spelling of 40222201430144 in words is "forty trillion, two hundred twenty-two billion, two hundred one million, four hundred thirty thousand, one hundred forty-four".