6138495880 has 64 divisors (see below), whose sum is σ = 15314287680. Its totient is φ = 2195577600.

The previous prime is 6138495871. The next prime is 6138495893. The reversal of 6138495880 is 885948316.

It is a super-2 number, since 2×6138495880² = 75362263337553948800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87514 + ... + 141193.

It is an arithmetic number, because the mean of its divisors is an integer number (239285745).

Almost surely, 2^6138495880 is an apocalyptic number.

It is an amenable number.

6138495880 is an abundant number, since it is smaller than the sum of its proper divisors (9175791800).

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

6138495880 is a wasteful number, since it uses less digits than its factorization.

6138495880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228790 (or 228786 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 6138495880 is about 78348.5537837170. The cubic root of 6138495880 is about 1830.9956937297.

The spelling of 6138495880 in words is "six billion, one hundred thirty-eight million, four hundred ninety-five thousand, eight hundred eighty".