298045440 has 624 divisors, whose sum is σ = 1344634560. Its totient is φ = 61931520.

The previous prime is 298045421. The next prime is 298045463. The reversal of 298045440 is 44540892.

298045440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 298045395 and 298045404.

It is a congruent number.

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, 27095035 + ... + 27095045.

Almost surely, 2^298045440 is an apocalyptic number.

298045440 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 298045440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672317280).

298045440 is an abundant number, since it is smaller than the sum of its proper divisors (1046589120).

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

298045440 is a wasteful number, since it uses less digits than its factorization.

298045440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 298045440 is about 17263.9925857259. The cubic root of 298045440 is about 667.9759514213.

The spelling of 298045440 in words is "two hundred ninety-eight million, forty-five thousand, four hundred forty".