1098375552 has 224 divisors, whose sum is σ = 3344580000. Its totient is φ = 359064576.

The previous prime is 1098375517. The next prime is 1098375589. The reversal of 1098375552 is 2555738901.

1098375552 is a `hidden beast` number, since 1 + 0 + 98 + 3 + 7 + 5 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1098375498 and 1098375507.

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 7371574 + ... + 7371722.

Almost surely, 2^1098375552 is an apocalyptic number.

1098375552 is a gapful number since it is divisible by the number (12) 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 1098375552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672290000).

1098375552 is an abundant number, since it is smaller than the sum of its proper divisors (2246204448).

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

1098375552 is an frugal number, since it uses more digits than its factorization.

1098375552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The square root of 1098375552 is about 33141.7493805019. The cubic root of 1098375552 is about 1031.7717180305.

The spelling of 1098375552 in words is "one billion, ninety-eight million, three hundred seventy-five thousand, five hundred fifty-two".