1098542848 has 144 divisors (see below), whose sum is σ = 2473452576. Its totient is φ = 483655680.

The previous prime is 1098542843. The next prime is 1098542897. The reversal of 1098542848 is 8482458901.

It is a super-2 number, since 2×1098542848² = 2413592777783902208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098542843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11325136 + ... + 11325232.

It is an arithmetic number, because the mean of its divisors is an integer number (17176754).

Almost surely, 2^1098542848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098542848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236726288).

1098542848 is an abundant number, since it is smaller than the sum of its proper divisors (1374909728).

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

1098542848 is an equidigital number, since it uses as much as digits as its factorization.

1098542848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 1098542848 is about 33144.2732308313. The cubic root of 1098542848 is about 1031.8240991789.

The spelling of 1098542848 in words is "one billion, ninety-eight million, five hundred forty-two thousand, eight hundred forty-eight".