22040420602240 has 128 divisors (see below), whose sum is σ = 55466387424000. Its totient is φ = 8351733381120.

The previous prime is 22040420602181. The next prime is 22040420602253. The reversal of 22040420602240 is 4220602404022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22040420602199 and 22040420602208.

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, 343110925 + ... + 343175155.

It is an arithmetic number, because the mean of its divisors is an integer number (433331151750).

Almost surely, 2^{22040420602240} is an apocalyptic number.

22040420602240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22040420602240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27733193712000).

22040420602240 is an abundant number, since it is smaller than the sum of its proper divisors (33425966821760).

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

22040420602240 is a wasteful number, since it uses less digits than its factorization.

22040420602240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92488 (or 92476 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 22040420602240 in words is "twenty-two trillion, forty billion, four hundred twenty million, six hundred two thousand, two hundred forty".