626433320 has 16 divisors (see below), whose sum is σ = 1409475060. Its totient is φ = 250573312.

The previous prime is 626433299. The next prime is 626433329. The reversal of 626433320 is 23334626.

626433320 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 619910404 + 6522916 = 24898^2 + 2554^2 .

It is not an unprimeable number, because it can be changed into a prime (626433329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7830377 + ... + 7830456.

Almost surely, 2^626433320 is an apocalyptic number.

It is an amenable number.

626433320 is an abundant number, since it is smaller than the sum of its proper divisors (783041740).

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

626433320 is a wasteful number, since it uses less digits than its factorization.

626433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660844 (or 15660840 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 626433320 is about 25028.6499835688. The cubic root of 626433320 is about 855.6410590757.

Adding to 626433320 its reverse (23334626), we get a palindrome (649767946).

The spelling of 626433320 in words is "six hundred twenty-six million, four hundred thirty-three thousand, three hundred twenty".