518446848 has 144 divisors (see below), whose sum is σ = 1441069056. Its totient is φ = 165335040.

The previous prime is 518446847. The next prime is 518446853. The reversal of 518446848 is 848644815.

It is a happy number.

It is a super-2 number, since 2×518446848² = 537574268402270208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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 = 518446797 and 518446806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518446847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912953 + ... + 1913223.

It is an arithmetic number, because the mean of its divisors is an integer number (10007424).

Almost surely, 2^518446848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518446848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720534528).

518446848 is an abundant number, since it is smaller than the sum of its proper divisors (922622208).

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

518446848 is a wasteful number, since it uses less digits than its factorization.

518446848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 376 counting only the distinct ones).

The product of its digits is 983040, while the sum is 48.

The square root of 518446848 is about 22769.4279243024. The cubic root of 518446848 is about 803.3437381311.

The spelling of 518446848 in words is "five hundred eighteen million, four hundred forty-six thousand, eight hundred forty-eight".