42475561216 has 81 divisors (see below), whose sum is σ = 93273304719. Its totient is φ = 19290585600.

The previous prime is 42475561181. The next prime is 42475561223. The reversal of 42475561216 is 61216557424.

The square root of 42475561216 is 206096.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×42475561216² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36272311 + ... + 36273481.

Almost surely, 2^42475561216 is an apocalyptic number.

42475561216 is the 206096-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42475561216

42475561216 is an abundant number, since it is smaller than the sum of its proper divisors (50797743503).

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

42475561216 is an frugal number, since it uses more digits than its factorization.

42475561216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 1184 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 42475561216 in words is "forty-two billion, four hundred seventy-five million, five hundred sixty-one thousand, two hundred sixteen".