4000409082 has 24 divisors (see below), whose sum is σ = 8672358240. Its totient is φ = 1332730440.

The previous prime is 4000409059. The next prime is 4000409099. The reversal of 4000409082 is 2809040004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27732 + ... + 93647.

It is an arithmetic number, because the mean of its divisors is an integer number (361348260).

Almost surely, 2^4000409082 is an apocalyptic number.

4000409082 is an abundant number, since it is smaller than the sum of its proper divisors (4671949158).

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

4000409082 is a wasteful number, since it uses less digits than its factorization.

4000409082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123218 (or 123215 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4000409082 is about 63248.7871978586. The cubic root of 4000409082 is about 1587.4551648900.

Adding to 4000409082 its reverse (2809040004), we get a palindrome (6809449086).

The spelling of 4000409082 in words is "four billion, four hundred nine thousand, eighty-two".