42816890562194 has 24 divisors (see below), whose sum is σ = 74773729728828. Its totient is φ = 18334714433280.

The previous prime is 42816890562161. The next prime is 42816890562203. The reversal of 42816890562194 is 49126509861824.

It can be written as a sum of positive squares in 2 ways, for example, as 42540566869969 + 276323692225 = 6522313^2 + 525665^2 .

It is a super-2 number, since 2×42816890562194² (a number of 28 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 42816890562194.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182995847 + ... + 183229674.

Almost surely, 2^{42816890562194} is an apocalyptic number.

42816890562194 is a deficient number, since it is larger than the sum of its proper divisors (31956839166634).

42816890562194 is a wasteful number, since it uses less digits than its factorization.

42816890562194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366226730 (or 366226723 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 42816890562194 in words is "forty-two trillion, eight hundred sixteen billion, eight hundred ninety million, five hundred sixty-two thousand, one hundred ninety-four".