298554648642756 has 81 divisors (see below), whose sum is σ = 829527253166703. Its totient is φ = 90470760074640.

The previous prime is 298554648642751. The next prime is 298554648642823. The reversal of 298554648642756 is 657246846455892.

The square root of 298554648642756 is 17278734.

It is a perfect power (a square), and thus also a powerful number.

298554648642756 is a `hidden beast` number, since 2 + 9 + 8 + 5 + 5 + 4 + 64 + 86 + 427 + 56 = 666.

It is a super-2 number, since 2×298554648642756² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (298554648642751) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1140265545 + ... + 1140527343.

Almost surely, 2^{298554648642756} is an apocalyptic number.

298554648642756 is the 17278734-th square number.

It is an amenable number.

298554648642756 is an abundant number, since it is smaller than the sum of its proper divisors (530972604523947).

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

298554648642756 is an frugal number, since it uses more digits than its factorization.

298554648642756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523630 (or 261815 counting only the distinct ones).

The product of its digits is 27869184000, while the sum is 81.

The spelling of 298554648642756 in words is "two hundred ninety-eight trillion, five hundred fifty-four billion, six hundred forty-eight million, six hundred forty-two thousand, seven hundred fifty-six".