42422121140340 has 192 divisors, whose sum is σ = 128327290882560. Its totient is φ = 10438875955200.

The previous prime is 42422121140297. The next prime is 42422121140383. The reversal of 42422121140340 is 4304112122424.

It is an interprime number because it is at equal distance from previous prime (42422121140297) and next prime (42422121140383).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42422121140298 and 42422121140307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47622712 + ... + 48505328.

It is an arithmetic number, because the mean of its divisors is an integer number (668371306680).

Almost surely, 2^{42422121140340} 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 42422121140340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64163645441280).

42422121140340 is an abundant number, since it is smaller than the sum of its proper divisors (85905169742220).

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

42422121140340 is a wasteful number, since it uses less digits than its factorization.

42422121140340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883882 (or 883880 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 42422121140340 its reverse (4304112122424), we get a palindrome (46726233262764).

The spelling of 42422121140340 in words is "forty-two trillion, four hundred twenty-two billion, one hundred twenty-one million, one hundred forty thousand, three hundred forty".