6858040992 has 96 divisors (see below), whose sum is σ = 20794221504. Its totient is φ = 1955942400.

The previous prime is 6858040957. The next prime is 6858041011. The reversal of 6858040992 is 2990408586.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 173059 + ... + 208962.

It is an arithmetic number, because the mean of its divisors is an integer number (216606474).

Almost surely, 2^6858040992 is an apocalyptic number.

It is an amenable number.

6858040992 is an abundant number, since it is smaller than the sum of its proper divisors (13936180512).

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

6858040992 is a wasteful number, since it uses less digits than its factorization.

6858040992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382062 (or 382054 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 6858040992 is about 82813.2899479305. The cubic root of 6858040992 is about 1899.9114448108.

The spelling of 6858040992 in words is "six billion, eight hundred fifty-eight million, forty thousand, nine hundred ninety-two".