328702138674 has 256 divisors, whose sum is σ = 895457203200. Its totient is φ = 77959397376.

The previous prime is 328702138643. The next prime is 328702138729. The reversal of 328702138674 is 476831207823.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26103972 + ... + 26116560.

It is an arithmetic number, because the mean of its divisors is an integer number (3497879700).

Almost surely, 2^328702138674 is an apocalyptic number.

328702138674 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328702138674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447728601600).

328702138674 is an abundant number, since it is smaller than the sum of its proper divisors (566755064526).

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

328702138674 is a wasteful number, since it uses less digits than its factorization.

328702138674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 328702138674 in words is "three hundred twenty-eight billion, seven hundred two million, one hundred thirty-eight thousand, six hundred seventy-four".