814570040 has 16 divisors (see below), whose sum is σ = 1832782680. Its totient is φ = 325828000.

The previous prime is 814569983. The next prime is 814570069. The reversal of 814570040 is 40075418.

It is a junction number, because it is equal to n+sod(n) for n = 814569985 and 814570012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10182086 + ... + 10182165.

Almost surely, 2^814570040 is an apocalyptic number.

It is an amenable number.

814570040 is an abundant number, since it is smaller than the sum of its proper divisors (1018212640).

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

814570040 is a wasteful number, since it uses less digits than its factorization.

814570040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364262 (or 20364258 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 814570040 is about 28540.6734328397. The cubic root of 814570040 is about 933.9195733072.

The spelling of 814570040 in words is "eight hundred fourteen million, five hundred seventy thousand, forty".