325446377472 has 168 divisors, whose sum is σ = 974946301056. Its totient is φ = 108481462272.

The previous prime is 325446377453. The next prime is 325446377507. The reversal of 325446377472 is 274773644523.

325446377472 is a `hidden beast` number, since 3 + 2 + 5 + 44 + 63 + 77 + 472 = 666.

It is a super-2 number, since 2×325446377472² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1908913 + ... + 2072399.

It is an arithmetic number, because the mean of its divisors is an integer number (5803251792).

Almost surely, 2^325446377472 is an apocalyptic number.

325446377472 is a gapful number since it is divisible by the number (32) 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 325446377472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487473150528).

325446377472 is an abundant number, since it is smaller than the sum of its proper divisors (649499923584).

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

325446377472 is an frugal number, since it uses more digits than its factorization.

325446377472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163528 (or 163492 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 54.

The spelling of 325446377472 in words is "three hundred twenty-five billion, four hundred forty-six million, three hundred seventy-seven thousand, four hundred seventy-two".