2638671424 has 21 divisors (see below), whose sum is σ = 5236929201. Its totient is φ = 1319130240.

The previous prime is 2638671421. The next prime is 2638671433. The reversal of 2638671424 is 4241768362.

The square root of 2638671424 is 51368.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 730729024 + 1907942400 = 27032^2 + 43680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2638671421) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 407734 + ... + 414154.

It is an arithmetic number, because the mean of its divisors is an integer number (249377581).

Almost surely, 2^2638671424 is an apocalyptic number.

2638671424 is the 51368-th square number.

It is an amenable number.

2638671424 is a deficient number, since it is larger than the sum of its proper divisors (2598257777).

2638671424 is an frugal number, since it uses more digits than its factorization.

2638671424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854 (or 6423 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The cubic root of 2638671424 is about 1381.8527630983.

The spelling of 2638671424 in words is "two billion, six hundred thirty-eight million, six hundred seventy-one thousand, four hundred twenty-four".