492556688 has 40 divisors (see below), whose sum is σ = 1038376248. Its totient is φ = 224980992.

The previous prime is 492556681. The next prime is 492556711. The reversal of 492556688 is 886655294.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 492484864 = 268^2 + 22192^2 .

It is a super-2 number, since 2×492556688² = 485224181787058688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492556681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7970 + ... + 32382.

Almost surely, 2^492556688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492556688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519188124).

492556688 is an abundant number, since it is smaller than the sum of its proper divisors (545819560).

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

492556688 is a wasteful number, since it uses less digits than its factorization.

492556688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24531 (or 24525 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 53.

The square root of 492556688 is about 22193.6181818107. The cubic root of 492556688 is about 789.7423119381.

The spelling of 492556688 in words is "four hundred ninety-two million, five hundred fifty-six thousand, six hundred eighty-eight".