1098980064 has 288 divisors, whose sum is σ = 4050708480. Its totient is φ = 274461696.

The previous prime is 1098980017. The next prime is 1098980081. The reversal of 1098980064 is 4600898901.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496849 + ... + 499055.

It is an arithmetic number, because the mean of its divisors is an integer number (14064960).

Almost surely, 2^1098980064 is an apocalyptic number.

1098980064 is a gapful number since it is divisible by the number (14) 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 1098980064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025354240).

1098980064 is an abundant number, since it is smaller than the sum of its proper divisors (2951728416).

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

1098980064 is a wasteful number, since it uses less digits than its factorization.

1098980064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2251 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 1098980064 is about 33150.8682239244. The cubic root of 1098980064 is about 1031.9609684174.

The spelling of 1098980064 in words is "one billion, ninety-eight million, nine hundred eighty thousand, sixty-four".