298409245040 has 20 divisors (see below), whose sum is σ = 693801494904. Its totient is φ = 119363697984.

The previous prime is 298409245009. The next prime is 298409245091. The reversal of 298409245040 is 40542904892.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865057702 + ... + 1865057861.

Almost surely, 2^298409245040 is an apocalyptic number.

298409245040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298409245040 is an abundant number, since it is smaller than the sum of its proper divisors (395392249864).

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

298409245040 is a wasteful number, since it uses less digits than its factorization.

298409245040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730115576 (or 3730115570 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 298409245040 in words is "two hundred ninety-eight billion, four hundred nine million, two hundred forty-five thousand, forty".