680152626 has 72 divisors (see below), whose sum is σ = 1620812700. Its totient is φ = 213311232.

The previous prime is 680152591. The next prime is 680152637. The reversal of 680152626 is 626251086.

It can be written as a sum of positive squares in 2 ways, for example, as 676052001 + 4100625 = 26001^2 + 2025^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 221550 + ... + 224598.

Almost surely, 2^680152626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680152626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810406350).

680152626 is an abundant number, since it is smaller than the sum of its proper divisors (940660074).

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

680152626 is an equidigital number, since it uses as much as digits as its factorization.

680152626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 680152626 is about 26079.7359265772. The cubic root of 680152626 is about 879.4317207380.

The spelling of 680152626 in words is "six hundred eighty million, one hundred fifty-two thousand, six hundred twenty-six".