626532630 has 64 divisors (see below), whose sum is σ = 1556084736. Its totient is φ = 161280000.

The previous prime is 626532601. The next prime is 626532659. The reversal of 626532630 is 36235626.

It is an interprime number because it is at equal distance from previous prime (626532601) and next prime (626532659).

It is a junction number, because it is equal to n+sod(n) for n = 626532591 and 626532600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595605 + ... + 596655.

It is an arithmetic number, because the mean of its divisors is an integer number (24313824).

Almost surely, 2^626532630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 626532630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778042368).

626532630 is an abundant number, since it is smaller than the sum of its proper divisors (929552106).

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

626532630 is a wasteful number, since it uses less digits than its factorization.

626532630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 626532630 is about 25030.6338313675. The cubic root of 626532630 is about 855.6862723069.

The spelling of 626532630 in words is "six hundred twenty-six million, five hundred thirty-two thousand, six hundred thirty".