9844233840 has 240 divisors, whose sum is σ = 37840578048. Its totient is φ = 2246690304.

The previous prime is 9844233827. The next prime is 9844233869. The reversal of 9844233840 is 483324489.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×9844233840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4953327 + ... + 4955313.

Almost surely, 2^9844233840 is an apocalyptic number.

9844233840 is a gapful number since it is divisible by the number (90) 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 9844233840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18920289024).

9844233840 is an abundant number, since it is smaller than the sum of its proper divisors (27996344208).

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

9844233840 is a wasteful number, since it uses less digits than its factorization.

9844233840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 2987 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 9844233840 is about 99218.1124593690. The cubic root of 9844233840 is about 2143.1898334500.

The spelling of 9844233840 in words is "nine billion, eight hundred forty-four million, two hundred thirty-three thousand, eight hundred forty".