42421169296 has 135 divisors (see below), whose sum is σ = 93972772467. Its totient is φ = 18536760000.

The previous prime is 42421169279. The next prime is 42421169309. The reversal of 42421169296 is 69296112424.

It is a happy number.

The square root of 42421169296 is 205964.

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

42421169296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 280934821 + ... + 280934971.

Almost surely, 2^42421169296 is an apocalyptic number.

42421169296 is the 205964-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42421169296

42421169296 is an abundant number, since it is smaller than the sum of its proper divisors (51551603171).

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

42421169296 is a wasteful number, since it uses less digits than its factorization.

42421169296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 195 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The spelling of 42421169296 in words is "forty-two billion, four hundred twenty-one million, one hundred sixty-nine thousand, two hundred ninety-six".