328406737392 has 160 divisors (see below), whose sum is σ = 1015017177600. Its totient is φ = 101283167232.

The previous prime is 328406737391. The next prime is 328406737457. The reversal of 328406737392 is 293737604823.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328406737391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54333 + ... + 812259.

It is an arithmetic number, because the mean of its divisors is an integer number (6343857360).

Almost surely, 2^328406737392 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 328406737392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507508588800).

328406737392 is an abundant number, since it is smaller than the sum of its proper divisors (686610440208).

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

328406737392 is a wasteful number, since it uses less digits than its factorization.

328406737392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758020 (or 758008 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 328406737392 in words is "three hundred twenty-eight billion, four hundred six million, seven hundred thirty-seven thousand, three hundred ninety-two".