814863085040 has 40 divisors (see below), whose sum is σ = 1894594363200. Its totient is φ = 325938749696.

The previous prime is 814863085021. The next prime is 814863085121. The reversal of 814863085040 is 40580368418.

It is a tau number, because it is divible by the number of its divisors (40).

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, 7336802 + ... + 7447038.

It is an arithmetic number, because the mean of its divisors is an integer number (47364859080).

Almost surely, 2^814863085040 is an apocalyptic number.

814863085040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

814863085040 is an abundant number, since it is smaller than the sum of its proper divisors (1079731278160).

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

814863085040 is a wasteful number, since it uses less digits than its factorization.

814863085040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202649 (or 202643 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 814863085040 in words is "eight hundred fourteen billion, eight hundred sixty-three million, eighty-five thousand, forty".