492044890 has 8 divisors (see below), whose sum is σ = 885680820. Its totient is φ = 196817952.

The previous prime is 492044887. The next prime is 492044897. The reversal of 492044890 is 98440294.

It can be written as a sum of positive squares in 2 ways, for example, as 488277409 + 3767481 = 22097^2 + 1941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×492044890² = 484216347550224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492044897) 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, 24602235 + ... + 24602254.

Almost surely, 2^492044890 is an apocalyptic number.

492044890 is a deficient number, since it is larger than the sum of its proper divisors (393635930).

492044890 is a wasteful number, since it uses less digits than its factorization.

492044890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49204496.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 492044890 is about 22182.0848884860. The cubic root of 492044890 is about 789.4686861680.

The spelling of 492044890 in words is "four hundred ninety-two million, forty-four thousand, eight hundred ninety".