9900498432 has 160 divisors (see below), whose sum is σ = 29057783040. Its totient is φ = 2970501120.

The previous prime is 9900498409. The next prime is 9900498469. The reversal of 9900498432 is 2348940099.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737444 + ... + 1743132.

It is an arithmetic number, because the mean of its divisors is an integer number (181611144).

Almost surely, 2^9900498432 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 9900498432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14528891520).

9900498432 is an abundant number, since it is smaller than the sum of its proper divisors (19157284608).

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

9900498432 is a wasteful number, since it uses less digits than its factorization.

9900498432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 9900498432 is about 99501.2483941785. The cubic root of 9900498432 is about 2147.2652036913.

The spelling of 9900498432 in words is "nine billion, nine hundred million, four hundred ninety-eight thousand, four hundred thirty-two".