4005320080040 has 16 divisors (see below), whose sum is σ = 9011970180180. Its totient is φ = 1602128032000.

The previous prime is 4005320080007. The next prime is 4005320080049. The reversal of 4005320080040 is 400800235004.

It can be written as a sum of positive squares in 2 ways, for example, as 3776562582244 + 228757497796 = 1943338^2 + 478286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4005320079991 and 4005320080009.

It is not an unprimeable number, because it can be changed into a prime (4005320080049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50066500961 + ... + 50066501040.

Almost surely, 2^{4005320080040} is an apocalyptic number.

4005320080040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4005320080040 is an abundant number, since it is smaller than the sum of its proper divisors (5006650100140).

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

4005320080040 is a wasteful number, since it uses less digits than its factorization.

4005320080040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100133002012 (or 100133002008 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 4005320080040 in words is "four trillion, five billion, three hundred twenty million, eighty thousand, forty".