8138950460 has 24 divisors (see below), whose sum is σ = 17099220096. Its totient is φ = 3254166080.

The previous prime is 8138950441. The next prime is 8138950487. The reversal of 8138950460 is 640598318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40556 + ... + 133875.

It is an arithmetic number, because the mean of its divisors is an integer number (712467504).

Almost surely, 2^8138950460 is an apocalyptic number.

It is an amenable number.

8138950460 is an abundant number, since it is smaller than the sum of its proper divisors (8960269636).

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

8138950460 is a wasteful number, since it uses less digits than its factorization.

8138950460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176773 (or 176771 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 8138950460 is about 90216.1319277212. The cubic root of 8138950460 is about 2011.5128054914.

The spelling of 8138950460 in words is "eight billion, one hundred thirty-eight million, nine hundred fifty thousand, four hundred sixty".