299494440 has 192 divisors, whose sum is σ = 1178012160. Its totient is φ = 64419840.

The previous prime is 299494421. The next prime is 299494453. The reversal of 299494440 is 44494992.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39345 + ... + 46335.

It is an arithmetic number, because the mean of its divisors is an integer number (6135480).

Almost surely, 2^299494440 is an apocalyptic number.

299494440 is a gapful number since it is divisible by the number (20) 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 299494440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589006080).

299494440 is an abundant number, since it is smaller than the sum of its proper divisors (878517720).

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

299494440 is a wasteful number, since it uses less digits than its factorization.

299494440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032 (or 7025 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 299494440 is about 17305.9076618362. The cubic root of 299494440 is about 669.0566958459.

The spelling of 299494440 in words is "two hundred ninety-nine million, four hundred ninety-four thousand, four hundred forty".