40042421111224 has 96 divisors (see below), whose sum is σ = 87631780884480. Its totient is φ = 17103259325376.

The previous prime is 40042421111219. The next prime is 40042421111233. The reversal of 40042421111224 is 42211112424004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 40042421111192 and 40042421111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225346077 + ... + 225523699.

It is an arithmetic number, because the mean of its divisors is an integer number (912831050880).

Almost surely, 2^{40042421111224} 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 40042421111224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43815890442240).

40042421111224 is an abundant number, since it is smaller than the sum of its proper divisors (47589359773256).

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

40042421111224 is a wasteful number, since it uses less digits than its factorization.

40042421111224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179577 (or 179566 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 40042421111224 its reverse (42211112424004), we get a palindrome (82253533535228).

The spelling of 40042421111224 in words is "forty trillion, forty-two billion, four hundred twenty-one million, one hundred eleven thousand, two hundred twenty-four".