9840051432 has 96 divisors (see below), whose sum is σ = 27460185480. Its totient is φ = 3180902400.

The previous prime is 9840051421. The next prime is 9840051437. The reversal of 9840051432 is 2341500489.

It can be written as a sum of positive squares in 4 ways, for example, as 7559606916 + 2280444516 = 86946^2 + 47754^2 .

It is a super-2 number, since 2×9840051432² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (9840051437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827932 + ... + 839732.

Almost surely, 2^9840051432 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 9840051432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13730092740).

9840051432 is an abundant number, since it is smaller than the sum of its proper divisors (17620134048).

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

9840051432 is a wasteful number, since it uses less digits than its factorization.

9840051432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163 (or 12156 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 9840051432 is about 99197.0333830604. The cubic root of 9840051432 is about 2142.8862728688.

The spelling of 9840051432 in words is "nine billion, eight hundred forty million, fifty-one thousand, four hundred thirty-two".