1728132079950 has 192 divisors, whose sum is σ = 4888673533440. Its totient is φ = 454342543200.

The previous prime is 1728132079931. The next prime is 1728132079951. The reversal of 1728132079950 is 599702318271.

It is a happy number.

1728132079950 is a `hidden beast` number, since 172 + 81 + 320 + 79 + 9 + 5 + 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 not an unprimeable number, because it can be changed into a prime (1728132079951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7652557 + ... + 7875143.

It is an arithmetic number, because the mean of its divisors is an integer number (25461841320).

Almost surely, 2^{1728132079950} is an apocalyptic number.

1728132079950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1728132079950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2444336766720).

1728132079950 is an abundant number, since it is smaller than the sum of its proper divisors (3160541453490).

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

1728132079950 is an equidigital number, since it uses as much as digits as its factorization.

1728132079950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222691 (or 222668 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 1728132079950 in words is "one trillion, seven hundred twenty-eight billion, one hundred thirty-two million, seventy-nine thousand, nine hundred fifty".