494774940 has 48 divisors (see below), whose sum is σ = 1511314560. Its totient is φ = 119945280.

The previous prime is 494774939. The next prime is 494774971. The reversal of 494774940 is 49477494.

It is a self number, because there is not a number n which added to its sum of digits gives 494774940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374170 + ... + 375489.

It is an arithmetic number, because the mean of its divisors is an integer number (31485720).

Almost surely, 2^494774940 is an apocalyptic number.

It is an amenable number.

494774940 is an abundant number, since it is smaller than the sum of its proper divisors (1016539620).

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

494774940 is a wasteful number, since it uses less digits than its factorization.

494774940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749682 (or 749680 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 494774940 is about 22243.5370388794. The cubic root of 494774940 is about 790.9260837579.

The spelling of 494774940 in words is "four hundred ninety-four million, seven hundred seventy-four thousand, nine hundred forty".