624246642426 has 64 divisors (see below), whose sum is σ = 1375977715200. Its totient is φ = 187224648000.

The previous prime is 624246642389. The next prime is 624246642433.

624246642426 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20109145 + ... + 20140163.

It is an arithmetic number, because the mean of its divisors is an integer number (21499651800).

Almost surely, 2^624246642426 is an apocalyptic number.

624246642426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 624246642426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687988857600).

624246642426 is an abundant number, since it is smaller than the sum of its proper divisors (751731072774).

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

624246642426 is a wasteful number, since it uses less digits than its factorization.

624246642426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34155.

The product of its digits is 5308416, while the sum is 48.

The spelling of 624246642426 in words is "six hundred twenty-four billion, two hundred forty-six million, six hundred forty-two thousand, four hundred twenty-six".