1098240000 has 520 divisors, whose sum is σ = 4298898912. Its totient is φ = 245760000.

The previous prime is 1098239921. The next prime is 1098240037. The reversal of 1098240000 is 428901.

It is a tau number, because it is divible by the number of its divisors (520).

It is a super-2 number, since 2×1098240000² = 2412262195200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 84479994 + ... + 84480006.

Almost surely, 2^1098240000 is an apocalyptic number.

1098240000 is a gapful number since it is divisible by the number (10) 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 1098240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2149449456).

1098240000 is an abundant number, since it is smaller than the sum of its proper divisors (3200658912).

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

1098240000 is an equidigital number, since it uses as much as digits as its factorization.

1098240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1098240000 is about 33139.7042835328. The cubic root of 1098240000 is about 1031.7292721738.

Adding to 1098240000 its reverse (428901), we get a palindrome (1098668901).

The spelling of 1098240000 in words is "one billion, ninety-eight million, two hundred forty thousand".