2440018634 has 4 divisors (see below), whose sum is σ = 3660027954. Its totient is φ = 1220009316.

The previous prime is 2440018601. The next prime is 2440018643. The reversal of 2440018634 is 4368100442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2349825625 + 90193009 = 48475^2 + 9497^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2440018634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610004657 + ... + 610004660.

Almost surely, 2^2440018634 is an apocalyptic number.

2440018634 is a deficient number, since it is larger than the sum of its proper divisors (1220009320).

2440018634 is a wasteful number, since it uses less digits than its factorization.

2440018634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220009319.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2440018634 is about 49396.5447577055. The cubic root of 2440018634 is about 1346.2665265299.

It can be divided in two parts, 24400 and 18634, that added together give a palindrome (43034).

The spelling of 2440018634 in words is "two billion, four hundred forty million, eighteen thousand, six hundred thirty-four".