9932187948444 has 144 divisors (see below), whose sum is σ = 26455124247552. Its totient is φ = 3135841395456.

The previous prime is 9932187948407. The next prime is 9932187948493. The reversal of 9932187948444 is 4448497812399.

9932187948444 is a `hidden beast` number, since 9 + 9 + 3 + 21 + 87 + 9 + 484 + 44 = 666.

It is a super-2 number, since 2×9932187948444² (a number of 27 digits) contains 22 as substring.

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, 36230032 + ... + 36503144.

It is an arithmetic number, because the mean of its divisors is an integer number (183716140608).

Almost surely, 2^{9932187948444} 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 9932187948444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13227562123776).

9932187948444 is an abundant number, since it is smaller than the sum of its proper divisors (16522936299108).

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

9932187948444 is a wasteful number, since it uses less digits than its factorization.

9932187948444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273576 (or 273571 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 9932187948444 in words is "nine trillion, nine hundred thirty-two billion, one hundred eighty-seven million, nine hundred forty-eight thousand, four hundred forty-four".