2440733649 has 16 divisors (see below), whose sum is σ = 3355787904. Its totient is φ = 1576944000.

The previous prime is 2440733599. The next prime is 2440733663. The reversal of 2440733649 is 9463370442.

It is a happy number.

2440733649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2440733649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2440733649.

It is not an unprimeable number, because it can be changed into a prime (2440733689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47134 + ... + 84279.

It is an arithmetic number, because the mean of its divisors is an integer number (209736744).

Almost surely, 2^2440733649 is an apocalyptic number.

It is an amenable number.

2440733649 is a deficient number, since it is larger than the sum of its proper divisors (915054255).

2440733649 is a wasteful number, since it uses less digits than its factorization.

2440733649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131608.

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 2440733649 is about 49403.7817277180. The cubic root of 2440733649 is about 1346.3980155189.

The spelling of 2440733649 in words is "two billion, four hundred forty million, seven hundred thirty-three thousand, six hundred forty-nine".