513364444 has 24 divisors (see below), whose sum is σ = 941714928. Its totient is φ = 244594560.

The previous prime is 513364429. The next prime is 513364447. The reversal of 513364444 is 444463315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513364447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29347 + ... + 43450.

It is an arithmetic number, because the mean of its divisors is an integer number (39238122).

Almost surely, 2^513364444 is an apocalyptic number.

It is an amenable number.

513364444 is a deficient number, since it is larger than the sum of its proper divisors (428350484).

513364444 is a wasteful number, since it uses less digits than its factorization.

513364444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72885 (or 72883 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 513364444 is about 22657.5471752791. The cubic root of 513364444 is about 800.7100175740.

The spelling of 513364444 in words is "five hundred thirteen million, three hundred sixty-four thousand, four hundred forty-four".