6940456858 has 16 divisors (see below), whose sum is σ = 10646316000. Its totient is φ = 3392342512.

The previous prime is 6940456849. The next prime is 6940456883. The reversal of 6940456858 is 8586540496.

6940456858 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6940456799 and 6940456808.

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, 143173 + ... + 185416.

It is an arithmetic number, because the mean of its divisors is an integer number (665394750).

Almost surely, 2^6940456858 is an apocalyptic number.

6940456858 is a deficient number, since it is larger than the sum of its proper divisors (3705859142).

6940456858 is a wasteful number, since it uses less digits than its factorization.

6940456858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328829.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The square root of 6940456858 is about 83309.4043790976. The cubic root of 6940456858 is about 1907.4918292448.

The spelling of 6940456858 in words is "six billion, nine hundred forty million, four hundred fifty-six thousand, eight hundred fifty-eight".