4008981035536 has 45 divisors (see below), whose sum is σ = 7876409745351. Its totient is φ = 1976743420416.

The previous prime is 4008981035519. The next prime is 4008981035551. The reversal of 4008981035536 is 6355301898004.

The square root of 4008981035536 is 2002244.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1399593105936 + 2609387929600 = 1183044^2 + 1615360^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 584651820 + ... + 584658676.

Almost surely, 2^{4008981035536} is an apocalyptic number.

4008981035536 is the 2002244-th square number.

It is an amenable number.

4008981035536 is a deficient number, since it is larger than the sum of its proper divisors (3867428709815).

4008981035536 is an frugal number, since it uses more digits than its factorization.

4008981035536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13868 (or 6932 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 4008981035536 in words is "four trillion, eight billion, nine hundred eighty-one million, thirty-five thousand, five hundred thirty-six".