516742492 has 12 divisors (see below), whose sum is σ = 1033485040. Its totient is φ = 221461056.

The previous prime is 516742453. The next prime is 516742493. The reversal of 516742492 is 294247615.

516742492 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516742493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9227517 + ... + 9227572.

Almost surely, 2^516742492 is an apocalyptic number.

It is an amenable number.

516742492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

516742492 is a wasteful number, since it uses less digits than its factorization.

516742492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455100 (or 18455098 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 516742492 is about 22731.9707020751. The cubic root of 516742492 is about 802.4624605001.

The spelling of 516742492 in words is "five hundred sixteen million, seven hundred forty-two thousand, four hundred ninety-two".