147944333940 has 144 divisors (see below), whose sum is σ = 448923888000. Its totient is φ = 36387546624.

The previous prime is 147944333921. The next prime is 147944334017. The reversal of 147944333940 is 49333449741.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14180646 + ... + 14191074.

It is an arithmetic number, because the mean of its divisors is an integer number (3117527000).

Almost surely, 2^147944333940 is an apocalyptic number.

147944333940 is a gapful number since it is divisible by the number (10) 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 147944333940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224461944000).

147944333940 is an abundant number, since it is smaller than the sum of its proper divisors (300979554060).

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

147944333940 is a wasteful number, since it uses less digits than its factorization.

147944333940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11866 (or 11851 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 51.

The spelling of 147944333940 in words is "one hundred forty-seven billion, nine hundred forty-four million, three hundred thirty-three thousand, nine hundred forty".