516742290 has 48 divisors (see below), whose sum is σ = 1349607168. Its totient is φ = 137174688.

The previous prime is 516742283. The next prime is 516742301. The reversal of 516742290 is 92247615.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7197 + ... + 32943.

It is an arithmetic number, because the mean of its divisors is an integer number (28116816).

Almost surely, 2^516742290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516742290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674803584).

516742290 is an abundant number, since it is smaller than the sum of its proper divisors (832864878).

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

516742290 is a wasteful number, since it uses less digits than its factorization.

516742290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25983 (or 25980 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 516742290 is about 22731.9662589931. The cubic root of 516742290 is about 802.4623559365.

The spelling of 516742290 in words is "five hundred sixteen million, seven hundred forty-two thousand, two hundred ninety".