492128652 has 24 divisors (see below), whose sum is σ = 1208737600. Its totient is φ = 155408976.

The previous prime is 492128647. The next prime is 492128687. The reversal of 492128652 is 256821294.

It is a super-2 number, since 2×492128652² = 484381220238674208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 492128652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079002 + ... + 1079457.

Almost surely, 2^492128652 is an apocalyptic number.

It is an amenable number.

492128652 is an abundant number, since it is smaller than the sum of its proper divisors (716608948).

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

492128652 is a wasteful number, since it uses less digits than its factorization.

492128652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158485 (or 2158483 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 492128652 is about 22183.9728633083. The cubic root of 492128652 is about 789.5134813519.

The spelling of 492128652 in words is "four hundred ninety-two million, one hundred twenty-eight thousand, six hundred fifty-two".