42808729094244 has 45 divisors (see below), whose sum is σ = 111910781775331. Its totient is φ = 14269537107720.

The previous prime is 42808729094231. The next prime is 42808729094249. The reversal of 42808729094244 is 44249092780824.

The square root of 42808729094244 is 6542838.

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

42808729094244 is a `hidden beast` number, since 4 + 28 + 0 + 87 + 290 + 9 + 4 + 244 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42808729094249) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 117589339 + ... + 117952829.

Almost surely, 2^{42808729094244} is an apocalyptic number.

42808729094244 is the 6542838-th square number.

It is an amenable number.

42808729094244 is an abundant number, since it is smaller than the sum of its proper divisors (69102052681087).

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

42808729094244 is an frugal number, since it uses more digits than its factorization.

42808729094244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726998 (or 363496 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 42808729094244 in words is "forty-two trillion, eight hundred eight billion, seven hundred twenty-nine million, ninety-four thousand, two hundred forty-four".