424786324816 has 80 divisors (see below), whose sum is σ = 973557152640. Its totient is φ = 175678917120.

The previous prime is 424786324813. The next prime is 424786324861. The reversal of 424786324816 is 618423687424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424786324813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6159646 + ... + 6228226.

It is an arithmetic number, because the mean of its divisors is an integer number (12169464408).

Almost surely, 2^424786324816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424786324816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486778576320).

424786324816 is an abundant number, since it is smaller than the sum of its proper divisors (548770827824).

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

424786324816 is a wasteful number, since it uses less digits than its factorization.

424786324816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70532 (or 70526 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 55.

The spelling of 424786324816 in words is "four hundred twenty-four billion, seven hundred eighty-six million, three hundred twenty-four thousand, eight hundred sixteen".