326404032600 has 192 divisors, whose sum is σ = 1015584998400. Its totient is φ = 86720785920.

The previous prime is 326404032599. The next prime is 326404032631. The reversal of 326404032600 is 6230404623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378219769 + ... + 378220631.

It is an arithmetic number, because the mean of its divisors is an integer number (5289505200).

Almost surely, 2^326404032600 is an apocalyptic number.

326404032600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326404032600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507792499200).

326404032600 is an abundant number, since it is smaller than the sum of its proper divisors (689180965800).

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

326404032600 is a wasteful number, since it uses less digits than its factorization.

326404032600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 326404032600 in words is "three hundred twenty-six billion, four hundred four million, thirty-two thousand, six hundred".