2400055 has 16 divisors (see below), whose sum is σ = 3363840. Its totient is φ = 1609632.

The previous prime is 2400053. The next prime is 2400067. The reversal of 2400055 is 5500042.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2400055 - 2¹ = 2400053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400053) 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 15 ways as a sum of consecutive naturals, for example, 916 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (210240).

2^2400055 is an apocalyptic number.

2400055 is a deficient number, since it is larger than the sum of its proper divisors (963785).

2400055 is a wasteful number, since it uses less digits than its factorization.

2400055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2400055 is about 1549.2110895549. The cubic root of 2400055 is about 133.8876127534.

Adding to 2400055 its reverse (5500042), we get a palindrome (7900097).

The spelling of 2400055 in words is "two million, four hundred thousand, fifty-five".