298261554560 has 128 divisors (see below), whose sum is σ = 728331579360. Its totient is φ = 116769669120.

The previous prime is 298261554557. The next prime is 298261554587. The reversal of 298261554560 is 65455162892.

It is a tau number, because it is divible by the number of its divisors (128).

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, 6095954 + ... + 6144686.

Almost surely, 2^298261554560 is an apocalyptic number.

298261554560 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 298261554560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364165789680).

298261554560 is an abundant number, since it is smaller than the sum of its proper divisors (430070024800).

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

298261554560 is a wasteful number, since it uses less digits than its factorization.

298261554560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48956 (or 48944 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 298261554560 in words is "two hundred ninety-eight billion, two hundred sixty-one million, five hundred fifty-four thousand, five hundred sixty".