42445700220 has 288 divisors, whose sum is σ = 152524995840. Its totient is φ = 8720194560.

The previous prime is 42445700207. The next prime is 42445700233. The reversal of 42445700220 is 2200754424.

It is an interprime number because it is at equal distance from previous prime (42445700207) and next prime (42445700233).

It is a super-2 number, since 2×42445700220² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2870887 + ... + 2885633.

It is an arithmetic number, because the mean of its divisors is an integer number (529600680).

Almost surely, 2^42445700220 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 42445700220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76262497920).

42445700220 is an abundant number, since it is smaller than the sum of its proper divisors (110079295620).

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

42445700220 is a wasteful number, since it uses less digits than its factorization.

42445700220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873 (or 14864 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The spelling of 42445700220 in words is "forty-two billion, four hundred forty-five million, seven hundred thousand, two hundred twenty".