326161453200 has 360 divisors, whose sum is σ = 1185482957568. Its totient is φ = 76517760000.

The previous prime is 326161453061. The next prime is 326161453223. The reversal of 326161453200 is 2354161623.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4464970 + ... + 4537430.

Almost surely, 2^326161453200 is an apocalyptic number.

326161453200 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 326161453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592741478784).

326161453200 is an abundant number, since it is smaller than the sum of its proper divisors (859321504368).

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

326161453200 is a wasteful number, since it uses less digits than its factorization.

326161453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72535 (or 72513 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 326161453200 in words is "three hundred twenty-six billion, one hundred sixty-one million, four hundred fifty-three thousand, two hundred".