42747252220 has 96 divisors (see below), whose sum is σ = 100906444800. Its totient is φ = 15135724800.

The previous prime is 42747252193. The next prime is 42747252227. The reversal of 42747252220 is 2225274724.

It is a self number, because there is not a number n which added to its sum of digits gives 42747252220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42747252227) 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, 279055 + ... + 404185.

It is an arithmetic number, because the mean of its divisors is an integer number (1051108800).

Almost surely, 2^42747252220 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 42747252220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50453222400).

42747252220 is an abundant number, since it is smaller than the sum of its proper divisors (58159192580).

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

42747252220 is a wasteful number, since it uses less digits than its factorization.

42747252220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125219 (or 125217 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 37.

The spelling of 42747252220 in words is "forty-two billion, seven hundred forty-seven million, two hundred fifty-two thousand, two hundred twenty".