84023840880 has 240 divisors, whose sum is σ = 332895074304. Its totient is φ = 18585884160.

The previous prime is 84023840863. The next prime is 84023840921. The reversal of 84023840880 is 8804832048.

It is a happy number.

84023840880 is a `hidden beast` number, since 8 + 4 + 0 + 238 + 408 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 112654 + ... + 425133.

Almost surely, 2^84023840880 is an apocalyptic number.

84023840880 is a gapful number since it is divisible by the number (80) 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 84023840880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166447537152).

84023840880 is an abundant number, since it is smaller than the sum of its proper divisors (248871233424).

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

84023840880 is a wasteful number, since it uses less digits than its factorization.

84023840880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537844 (or 537835 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 84023840880 in words is "eighty-four billion, twenty-three million, eight hundred forty thousand, eight hundred eighty".