42360225856 has 63 divisors (see below), whose sum is σ = 91068022461. Its totient is φ = 19540994304.

The previous prime is 42360225841. The next prime is 42360225899. The reversal of 42360225856 is 65852206324.

The square root of 42360225856 is 205816.

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

It can be written as a sum of positive squares in only one way, i.e., 6266305600 + 36093920256 = 79160^2 + 189984^2 .

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, 21403875 + ... + 21405853.

Almost surely, 2^42360225856 is an apocalyptic number.

42360225856 is the 205816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42360225856

42360225856 is an abundant number, since it is smaller than the sum of its proper divisors (48707796605).

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

42360225856 is an frugal number, since it uses more digits than its factorization.

42360225856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 42360225856 in words is "forty-two billion, three hundred sixty million, two hundred twenty-five thousand, eight hundred fifty-six".