492709980 has 192 divisors, whose sum is σ = 1684150272. Its totient is φ = 105062400.

The previous prime is 492709969. The next prime is 492709991. The reversal of 492709980 is 89907294.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (492709969) and next prime (492709991).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1077912 + ... + 1078368.

It is an arithmetic number, because the mean of its divisors is an integer number (8771616).

Almost surely, 2^492709980 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 492709980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842075136).

492709980 is an abundant number, since it is smaller than the sum of its proper divisors (1191440292).

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

492709980 is a wasteful number, since it uses less digits than its factorization.

492709980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 492709980 is about 22197.0714284565. The cubic root of 492709980 is about 789.8242305103.

The spelling of 492709980 in words is "four hundred ninety-two million, seven hundred nine thousand, nine hundred eighty".