519996672 has 216 divisors, whose sum is σ = 1677012064. Its totient is φ = 159750144.

The previous prime is 519996671. The next prime is 519996683. The reversal of 519996672 is 276699915.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519996671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 808383 + ... + 809025.

Almost surely, 2^519996672 is an apocalyptic number.

519996672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 519996672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838506032).

519996672 is an abundant number, since it is smaller than the sum of its proper divisors (1157015392).

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

519996672 is an equidigital number, since it uses as much as digits as its factorization.

519996672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 661 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 519996672 is about 22803.4355306388. The cubic root of 519996672 is about 804.1434362045.

The spelling of 519996672 in words is "five hundred nineteen million, nine hundred ninety-six thousand, six hundred seventy-two".