518869344 has 48 divisors (see below), whose sum is σ = 1556610048. Its totient is φ = 148248192.

The previous prime is 518869333. The next prime is 518869361. The reversal of 518869344 is 443968815.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×518869344² = 538450792285980672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 518869293 and 518869302.

It is a congruent number.

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, 385392 + ... + 386735.

It is an arithmetic number, because the mean of its divisors is an integer number (32429376).

Almost surely, 2^518869344 is an apocalyptic number.

It is an amenable number.

518869344 is an abundant number, since it is smaller than the sum of its proper divisors (1037740704).

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

518869344 is a wasteful number, since it uses less digits than its factorization.

518869344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772147 (or 772139 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 518869344 is about 22778.7037383605. The cubic root of 518869344 is about 803.5619008744.

The spelling of 518869344 in words is "five hundred eighteen million, eight hundred sixty-nine thousand, three hundred forty-four".