494199888 has 160 divisors (see below), whose sum is σ = 1604064000. Its totient is φ = 130281984.

The previous prime is 494199887. The next prime is 494199907. The reversal of 494199888 is 888991494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494199887) 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, 212878 + ... + 215186.

It is an arithmetic number, because the mean of its divisors is an integer number (10025400).

Almost surely, 2^494199888 is an apocalyptic number.

494199888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494199888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802032000).

494199888 is an abundant number, since it is smaller than the sum of its proper divisors (1109864112).

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

494199888 is a wasteful number, since it uses less digits than its factorization.

494199888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2334 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 60.

The square root of 494199888 is about 22230.6070092564. The cubic root of 494199888 is about 790.6195471157.

The spelling of 494199888 in words is "four hundred ninety-four million, one hundred ninety-nine thousand, eight hundred eighty-eight".