814155412 has 24 divisors (see below), whose sum is σ = 1635137280. Its totient is φ = 347460960.

The previous prime is 814155401. The next prime is 814155427. The reversal of 814155412 is 214551418.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54139 + ... + 67522.

It is an arithmetic number, because the mean of its divisors is an integer number (68130720).

Almost surely, 2^814155412 is an apocalyptic number.

It is an amenable number.

814155412 is an abundant number, since it is smaller than the sum of its proper divisors (820981868).

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

814155412 is a wasteful number, since it uses less digits than its factorization.

814155412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121911 (or 121909 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 814155412 is about 28533.4086992774. The cubic root of 814155412 is about 933.7610868640.

The spelling of 814155412 in words is "eight hundred fourteen million, one hundred fifty-five thousand, four hundred twelve".