42216885056 has 14 divisors (see below), whose sum is σ = 83774131410. Its totient is φ = 21108442496.

The previous prime is 42216884999. The next prime is 42216885097. The reversal of 42216885056 is 65058861224.

It can be written as a sum of positive squares in only one way, i.e., 23507022400 + 18709862656 = 153320^2 + 136784^2 .

It is a super-2 number, since 2×42216885056² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42216885056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329819351 + ... + 329819478.

Almost surely, 2^42216885056 is an apocalyptic number.

It is an amenable number.

42216885056 is a deficient number, since it is larger than the sum of its proper divisors (41557246354).

42216885056 is an equidigital number, since it uses as much as digits as its factorization.

42216885056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659638841 (or 659638831 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 42216885056 in words is "forty-two billion, two hundred sixteen million, eight hundred eighty-five thousand, fifty-six".