624684486426 has 768 divisors, whose sum is σ = 1862361317376. Its totient is φ = 135489024000.

The previous prime is 624684486383. The next prime is 624684486427.

624684486426 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 624684486426.

It is not an unprimeable number, because it can be changed into a prime (624684486427) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2305108671 + ... + 2305108941.

It is an arithmetic number, because the mean of its divisors is an integer number (2424949632).

Almost surely, 2^624684486426 is an apocalyptic number.

624684486426 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 624684486426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931180658688).

624684486426 is an abundant number, since it is smaller than the sum of its proper divisors (1237676830950).

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

624684486426 is a wasteful number, since it uses less digits than its factorization.

624684486426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 408 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 60.

The spelling of 624684486426 in words is "six hundred twenty-four billion, six hundred eighty-four million, four hundred eighty-six thousand, four hundred twenty-six".