492938190 has 64 divisors (see below), whose sum is σ = 1323432000. Its totient is φ = 130557312.

The previous prime is 492938183. The next prime is 492938191. The reversal of 492938190 is 91839294.

It is a super-2 number, since 2×492938190² = 485976118320952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492938191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34104 + ... + 46356.

It is an arithmetic number, because the mean of its divisors is an integer number (20678625).

Almost surely, 2^492938190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492938190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661716000).

492938190 is an abundant number, since it is smaller than the sum of its proper divisors (830493810).

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

492938190 is a wasteful number, since it uses less digits than its factorization.

492938190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418 (or 12412 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 492938190 is about 22202.2113763472. The cubic root of 492938190 is about 789.9461534628.

The spelling of 492938190 in words is "four hundred ninety-two million, nine hundred thirty-eight thousand, one hundred ninety".