84445382940 has 96 divisors (see below), whose sum is σ = 240605225280. Its totient is φ = 22123622400.

The previous prime is 84445382921. The next prime is 84445382951. The reversal of 84445382940 is 4928354448.

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 31 ways as a sum of consecutive naturals, for example, 3211366 + ... + 3237554.

It is an arithmetic number, because the mean of its divisors is an integer number (2506304430).

Almost surely, 2^84445382940 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 84445382940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120302612640).

84445382940 is an abundant number, since it is smaller than the sum of its proper divisors (156159842340).

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

84445382940 is a wasteful number, since it uses less digits than its factorization.

84445382940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27143 (or 27141 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 84445382940 in words is "eighty-four billion, four hundred forty-five million, three hundred eighty-two thousand, nine hundred forty".