2638814466 has 8 divisors (see below), whose sum is σ = 5277628944. Its totient is φ = 879604820.

The previous prime is 2638814459. The next prime is 2638814467. The reversal of 2638814466 is 6644188362.

It is a sphenic number, since it is the product of 3 distinct primes.

2638814466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2638814467) 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, 219901200 + ... + 219901211.

It is an arithmetic number, because the mean of its divisors is an integer number (659703618).

Almost surely, 2^2638814466 is an apocalyptic number.

2638814466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2638814466 is a wasteful number, since it uses less digits than its factorization.

2638814466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439802416.

The product of its digits is 1327104, while the sum is 48.

The square root of 2638814466 is about 51369.3923070928. The cubic root of 2638814466 is about 1381.8777326606.

The spelling of 2638814466 in words is "two billion, six hundred thirty-eight million, eight hundred fourteen thousand, four hundred sixty-six".