1098840288 has 384 divisors, whose sum is σ = 3861043200. Its totient is φ = 270950400.

The previous prime is 1098840287. The next prime is 1098840293. The reversal of 1098840288 is 8820488901.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098840287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7277013 + ... + 7277163.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 2^1098840288 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 1098840288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930521600).

1098840288 is an abundant number, since it is smaller than the sum of its proper divisors (2762202912).

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

1098840288 is a wasteful number, since it uses less digits than its factorization.

1098840288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The square root of 1098840288 is about 33148.7599768076. The cubic root of 1098840288 is about 1031.9172158822.

The spelling of 1098840288 in words is "one billion, ninety-eight million, eight hundred forty thousand, two hundred eighty-eight".