42195434176220 has 96 divisors (see below), whose sum is σ = 96651769656960. Its totient is φ = 15380379463680.

The previous prime is 42195434176213. The next prime is 42195434176223. The reversal of 42195434176220 is 2267143459124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42195434176223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13156424 + ... + 16046256.

It is an arithmetic number, because the mean of its divisors is an integer number (1006789267260).

Almost surely, 2^{42195434176220} 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 42195434176220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48325884828480).

42195434176220 is an abundant number, since it is smaller than the sum of its proper divisors (54456335480740).

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

42195434176220 is a wasteful number, since it uses less digits than its factorization.

42195434176220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890575 (or 2890573 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 42195434176220 in words is "forty-two trillion, one hundred ninety-five billion, four hundred thirty-four million, one hundred seventy-six thousand, two hundred twenty".