814036564 has 48 divisors (see below), whose sum is σ = 1612800000. Its totient is φ = 356162400.

The previous prime is 814036549. The next prime is 814036577. The reversal of 814036564 is 465630418.

It is a happy number.

It is a congruent number.

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, 269937 + ... + 272935.

It is an arithmetic number, because the mean of its divisors is an integer number (33600000).

Almost surely, 2^814036564 is an apocalyptic number.

It is an amenable number.

814036564 is a deficient number, since it is larger than the sum of its proper divisors (798763436).

814036564 is a wasteful number, since it uses less digits than its factorization.

814036564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 814036564 is about 28531.3260119469. The cubic root of 814036564 is about 933.7156487587.

The spelling of 814036564 in words is "eight hundred fourteen million, thirty-six thousand, five hundred sixty-four".