4026018657 has 32 divisors (see below), whose sum is σ = 5573393280. Its totient is φ = 2583360000.

The previous prime is 4026018649. The next prime is 4026018679. The reversal of 4026018657 is 7568106204.

It is not a de Polignac number, because 4026018657 - 2³ = 4026018649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4026018617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3093907 + ... + 3095207.

It is an arithmetic number, because the mean of its divisors is an integer number (174168540).

Almost surely, 2^4026018657 is an apocalyptic number.

It is an amenable number.

4026018657 is a deficient number, since it is larger than the sum of its proper divisors (1547374623).

4026018657 is a wasteful number, since it uses less digits than its factorization.

4026018657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 4026018657 is about 63450.9153361872. The cubic root of 4026018657 is about 1590.8354531128.

The spelling of 4026018657 in words is "four billion, twenty-six million, eighteen thousand, six hundred fifty-seven".