42220140430340 has 144 divisors (see below), whose sum is σ = 94940816947200. Its totient is φ = 15740968666368.

The previous prime is 42220140430327. The next prime is 42220140430343. The reversal of 42220140430340 is 4303404102224.

It is not an unprimeable number, because it can be changed into a prime (42220140430343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232605341 + ... + 232786779.

It is an arithmetic number, because the mean of its divisors is an integer number (659311228800).

Almost surely, 2^{42220140430340} 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 42220140430340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47470408473600).

42220140430340 is an abundant number, since it is smaller than the sum of its proper divisors (52720676516860).

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

42220140430340 is a wasteful number, since it uses less digits than its factorization.

42220140430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181794 (or 181745 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42220140430340 its reverse (4303404102224), we get a palindrome (46523544532564).

The spelling of 42220140430340 in words is "forty-two trillion, two hundred twenty billion, one hundred forty million, four hundred thirty thousand, three hundred forty".