426349973016 has 432 divisors, whose sum is σ = 1383056700480. Its totient is φ = 118421740800.

The previous prime is 426349972999. The next prime is 426349973051. The reversal of 426349973016 is 610379943624.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 97493806 + ... + 97498178.

It is an arithmetic number, because the mean of its divisors is an integer number (3201520140).

Almost surely, 2^426349973016 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 426349973016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691528350240).

426349973016 is an abundant number, since it is smaller than the sum of its proper divisors (956706727464).

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

426349973016 is a wasteful number, since it uses less digits than its factorization.

426349973016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 426349973016 in words is "four hundred twenty-six billion, three hundred forty-nine million, nine hundred seventy-three thousand, sixteen".