2440018601 has 2 divisors, whose sum is σ = 2440018602. Its totient is φ = 2440018600.

The previous prime is 2440018597. The next prime is 2440018643. The reversal of 2440018601 is 1068100442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1950547225 + 489471376 = 44165^2 + 22124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440018601 - 2² = 2440018597 is a prime.

It is not a weakly prime, because it can be changed into another prime (2440018681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220009300 + 1220009301.

It is an arithmetic number, because the mean of its divisors is an integer number (1220009301).

Almost surely, 2^2440018601 is an apocalyptic number.

It is an amenable number.

2440018601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440018601 is an equidigital number, since it uses as much as digits as its factorization.

2440018601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2440018601 is about 49396.5444236740. The cubic root of 2440018601 is about 1346.2665204607.

The spelling of 2440018601 in words is "two billion, four hundred forty million, eighteen thousand, six hundred one".