2440149 has 4 divisors (see below), whose sum is σ = 3253536. Its totient is φ = 1626764.

The previous prime is 2440127. The next prime is 2440153. The reversal of 2440149 is 9410442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2440149 - 2⁷ = 2440021 is a prime.

It is a D-number.

2440149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406689 + ... + 406694.

It is an arithmetic number, because the mean of its divisors is an integer number (813384).

2^2440149 is an apocalyptic number.

It is an amenable number.

2440149 is a deficient number, since it is larger than the sum of its proper divisors (813387).

2440149 is an equidigital number, since it uses as much as digits as its factorization.

2440149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813386.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2440149 is about 1562.0976281910. The cubic root of 2440149 is about 134.6290502338.

The spelling of 2440149 in words is "two million, four hundred forty thousand, one hundred forty-nine".