8144371408 has 20 divisors (see below), whose sum is σ = 15862341888. Its totient is φ = 4050863840.

The previous prime is 8144371357. The next prime is 8144371421. The reversal of 8144371408 is 8041734418.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329466 + ... + 1335577.

Almost surely, 2^8144371408 is an apocalyptic number.

It is an amenable number.

8144371408 is a deficient number, since it is larger than the sum of its proper divisors (7717970480).

8144371408 is a wasteful number, since it uses less digits than its factorization.

8144371408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665242 (or 2665236 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 8144371408 is about 90246.1711542379. The cubic root of 8144371408 is about 2011.9592957496.

The spelling of 8144371408 in words is "eight billion, one hundred forty-four million, three hundred seventy-one thousand, four hundred eight".