328472773830 has 192 divisors, whose sum is σ = 915309158400. Its totient is φ = 84667109760.

The previous prime is 328472773823. The next prime is 328472773843. The reversal of 328472773830 is 38377274823.

It is a happy number.

328472773830 is a `hidden beast` number, since 3 + 28 + 472 + 7 + 73 + 83 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80525731 + ... + 80529809.

It is an arithmetic number, because the mean of its divisors is an integer number (4767235200).

Almost surely, 2^328472773830 is an apocalyptic number.

328472773830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328472773830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457654579200).

328472773830 is an abundant number, since it is smaller than the sum of its proper divisors (586836384570).

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

328472773830 is a wasteful number, since it uses less digits than its factorization.

328472773830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 328472773830 in words is "three hundred twenty-eight billion, four hundred seventy-two million, seven hundred seventy-three thousand, eight hundred thirty".