9798015744 has 288 divisors, whose sum is σ = 32635975680. Its totient is φ = 2872627200.

The previous prime is 9798015737. The next prime is 9798015761. The reversal of 9798015744 is 4475108979.

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

It is a super-2 number, since 2×9798015744² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2354914 + ... + 2359070.

It is an arithmetic number, because the mean of its divisors is an integer number (113319360).

Almost surely, 2^9798015744 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 9798015744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16317987840).

9798015744 is an abundant number, since it is smaller than the sum of its proper divisors (22837959936).

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

9798015744 is a wasteful number, since it uses less digits than its factorization.

9798015744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4204 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 9798015744 is about 98984.9268525264. The cubic root of 9798015744 is about 2139.8305208317.

The spelling of 9798015744 in words is "nine billion, seven hundred ninety-eight million, fifteen thousand, seven hundred forty-four".