624427724426 has 12 divisors (see below), whose sum is σ = 1029531661746. Its totient is φ = 283830783720.

The previous prime is 624427724369. The next prime is 624427724497.

624427724426 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 550636718401 + 73791006025 = 742049^2 + 271645^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1290139685 + ... + 1290140168.

Almost surely, 2^624427724426 is an apocalyptic number.

624427724426 is a deficient number, since it is larger than the sum of its proper divisors (405103937320).

624427724426 is a wasteful number, since it uses less digits than its factorization.

624427724426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580279877 (or 2580279866 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 50.

The spelling of 624427724426 in words is "six hundred twenty-four billion, four hundred twenty-seven million, seven hundred twenty-four thousand, four hundred twenty-six".