42798365866116 has 351 divisors, whose sum is σ = 130891984394997. Its totient is φ = 12209027927040.

The previous prime is 42798365866099. The next prime is 42798365866121. The reversal of 42798365866116 is 61166856389724.

The square root of 42798365866116 is 6542046.

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

42798365866116 is a `hidden beast` number, since 4 + 2 + 7 + 9 + 8 + 36 + 586 + 6 + 1 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38631868426116 + 4166497440000 = 6215454^2 + 2041200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 116 ways as a sum of consecutive naturals, for example, 66768121156 + ... + 66768121796.

Almost surely, 2^{42798365866116} is an apocalyptic number.

42798365866116 is the 6542046-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42798365866116

42798365866116 is an abundant number, since it is smaller than the sum of its proper divisors (88093618528881).

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

42798365866116 is an frugal number, since it uses more digits than its factorization.

42798365866116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 653 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 72.

The spelling of 42798365866116 in words is "forty-two trillion, seven hundred ninety-eight billion, three hundred sixty-five million, eight hundred sixty-six thousand, one hundred sixteen".