328775639552 has 320 divisors, whose sum is σ = 736946546688. Its totient is φ = 145981440000.

The previous prime is 328775639527. The next prime is 328775639561. The reversal of 328775639552 is 255936577823.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1364214152 + ... + 1364214392.

Almost surely, 2^328775639552 is an apocalyptic number.

328775639552 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 328775639552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368473273344).

328775639552 is an abundant number, since it is smaller than the sum of its proper divisors (408170907136).

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

328775639552 is a wasteful number, since it uses less digits than its factorization.

328775639552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 435 counting only the distinct ones).

The product of its digits is 95256000, while the sum is 62.

The spelling of 328775639552 in words is "three hundred twenty-eight billion, seven hundred seventy-five million, six hundred thirty-nine thousand, five hundred fifty-two".