4018479905 has 32 divisors (see below), whose sum is σ = 5534621568. Its totient is φ = 2774131200.

The previous prime is 4018479763. The next prime is 4018479919. The reversal of 4018479905 is 5099748104.

It is not a de Polignac number, because 4018479905 - 2¹⁴ = 4018463521 is a prime.

It is a super-2 number, since 2×4018479905² = 32296361493777618050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4018479905.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59354 + ... + 107516.

It is an arithmetic number, because the mean of its divisors is an integer number (172956924).

Almost surely, 2^4018479905 is an apocalyptic number.

It is an amenable number.

4018479905 is a deficient number, since it is larger than the sum of its proper divisors (1516141663).

4018479905 is a wasteful number, since it uses less digits than its factorization.

4018479905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48257.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 4018479905 is about 63391.4813283299. The cubic root of 4018479905 is about 1589.8418820125.

The spelling of 4018479905 in words is "four billion, eighteen million, four hundred seventy-nine thousand, nine hundred five".