494257944 has 32 divisors (see below), whose sum is σ = 1300680000. Its totient is φ = 156081312.

The previous prime is 494257937. The next prime is 494257957. The reversal of 494257944 is 449752494.

It is a junction number, because it is equal to n+sod(n) for n = 494257893 and 494257902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541494 + ... + 542405.

It is an arithmetic number, because the mean of its divisors is an integer number (40646250).

Almost surely, 2^494257944 is an apocalyptic number.

It is an amenable number.

494257944 is an abundant number, since it is smaller than the sum of its proper divisors (806422056).

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

494257944 is a wasteful number, since it uses less digits than its factorization.

494257944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083927 (or 1083923 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 494257944 is about 22231.9127382239. The cubic root of 494257944 is about 790.6505051769.

The spelling of 494257944 in words is "four hundred ninety-four million, two hundred fifty-seven thousand, nine hundred forty-four".