511252416 has 84 divisors (see below), whose sum is σ = 1493151192. Its totient is φ = 167192064.

The previous prime is 511252409. The next prime is 511252451. The reversal of 511252416 is 614252115.

It is a super-2 number, since 2×511252416² = 522758065731674112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511252416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22155 + ... + 38901.

Almost surely, 2^511252416 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 511252416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746575596).

511252416 is an abundant number, since it is smaller than the sum of its proper divisors (981898776).

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

511252416 is a wasteful number, since it uses less digits than its factorization.

511252416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16818 (or 16805 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 511252416 is about 22610.8915348334. The cubic root of 511252416 is about 799.6104436715.

The spelling of 511252416 in words is "five hundred eleven million, two hundred fifty-two thousand, four hundred sixteen".