42217720710 has 64 divisors (see below), whose sum is σ = 110714515200. Its totient is φ = 10217854080.

The previous prime is 42217720703. The next prime is 42217720801. The reversal of 42217720710 is 1702771224.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97941 + ... + 306639.

It is an arithmetic number, because the mean of its divisors is an integer number (1729914300).

Almost surely, 2^42217720710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42217720710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55357257600).

42217720710 is an abundant number, since it is smaller than the sum of its proper divisors (68496794490).

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

42217720710 is a wasteful number, since it uses less digits than its factorization.

42217720710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209333.

The product of its (nonzero) digits is 10976, while the sum is 33.

The spelling of 42217720710 in words is "forty-two billion, two hundred seventeen million, seven hundred twenty thousand, seven hundred ten".