544493864 has 32 divisors (see below), whose sum is σ = 1047816000. Its totient is φ = 265114752.

The previous prime is 544493843. The next prime is 544493891. The reversal of 544493864 is 468394445.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 121292 + ... + 125700.

It is an arithmetic number, because the mean of its divisors is an integer number (32744250).

Almost surely, 2^544493864 is an apocalyptic number.

It is an amenable number.

544493864 is a deficient number, since it is larger than the sum of its proper divisors (503322136).

544493864 is a wasteful number, since it uses less digits than its factorization.

544493864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817 (or 4813 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 544493864 is about 23334.3922997793. The cubic root of 544493864 is about 816.5779778371.

The spelling of 544493864 in words is "five hundred forty-four million, four hundred ninety-three thousand, eight hundred sixty-four".