2400628218 has 16 divisors (see below), whose sum is σ = 4807200960. Its totient is φ = 799218656.

The previous prime is 2400628213. The next prime is 2400628231. The reversal of 2400628218 is 8128260042.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2400628211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242430 + ... + 252137.

It is an arithmetic number, because the mean of its divisors is an integer number (300450060).

Almost surely, 2^2400628218 is an apocalyptic number.

2400628218 is an abundant number, since it is smaller than the sum of its proper divisors (2406572742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2400628218 is a wasteful number, since it uses less digits than its factorization.

2400628218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495381.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2400628218 is about 48996.2061592528. The cubic root of 2400628218 is about 1338.9827093700.

The spelling of 2400628218 in words is "two billion, four hundred million, six hundred twenty-eight thousand, two hundred eighteen".