326426031523416 has 256 divisors, whose sum is σ = 938060884500480. Its totient is φ = 93689405568000.

The previous prime is 326426031523409. The next prime is 326426031523429. The reversal of 326426031523416 is 614325130624623.

It is a super-2 number, since 2×326426031523416² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13140603156 + ... + 13140627996.

It is an arithmetic number, because the mean of its divisors is an integer number (3664300330080).

Almost surely, 2^{326426031523416} 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 326426031523416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469030442250240).

326426031523416 is an abundant number, since it is smaller than the sum of its proper divisors (611634852977064).

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

326426031523416 is a wasteful number, since it uses less digits than its factorization.

326426031523416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45998 (or 45994 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 326426031523416 in words is "three hundred twenty-six trillion, four hundred twenty-six billion, thirty-one million, five hundred twenty-three thousand, four hundred sixteen".