4005009026 has 16 divisors (see below), whose sum is σ = 6152474880. Its totient is φ = 1954422240.

The previous prime is 4005009007. The next prime is 4005009083. The reversal of 4005009026 is 6209005004.

It is a junction number, because it is equal to n+sod(n) for n = 4005008986 and 4005009004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25595 + ... + 93086.

It is an arithmetic number, because the mean of its divisors is an integer number (384529680).

Almost surely, 2^4005009026 is an apocalyptic number.

4005009026 is a deficient number, since it is larger than the sum of its proper divisors (2147465854).

4005009026 is a wasteful number, since it uses less digits than its factorization.

4005009026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119089.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4005009026 is about 63285.1406413860. The cubic root of 4005009026 is about 1588.0633866693.

The spelling of 4005009026 in words is "four billion, five million, nine thousand, twenty-six".