8003840344920 has 96 divisors (see below), whose sum is σ = 29728549861920. Its totient is φ = 1829449221120.

The previous prime is 8003840344897. The next prime is 8003840344921. The reversal of 8003840344920 is 294430483008.

8003840344920 is a `hidden beast` number, since 80 + 0 + 3 + 84 + 0 + 3 + 4 + 492 + 0 = 666.

It is a super-2 number, since 2×8003840344920² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8003840344921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1588061041 + ... + 1588066080.

It is an arithmetic number, because the mean of its divisors is an integer number (309672394395).

Almost surely, 2^{8003840344920} is an apocalyptic number.

It is an amenable number.

8003840344920 is an abundant number, since it is smaller than the sum of its proper divisors (21724709517000).

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

8003840344920 is a wasteful number, since it uses less digits than its factorization.

8003840344920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176127145 (or 3176127138 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 8003840344920 in words is "eight trillion, three billion, eight hundred forty million, three hundred forty-four thousand, nine hundred twenty".