1327875553620 has 384 divisors, whose sum is σ = 5153715302400. Its totient is φ = 275752512000.

The previous prime is 1327875553619. The next prime is 1327875553687. The reversal of 1327875553620 is 263555787231.

1327875553620 is a `hidden beast` number, since 1 + 3 + 2 + 7 + 8 + 7 + 5 + 5 + 5 + 3 + 620 = 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 127 ways as a sum of consecutive naturals, for example, 74377695 + ... + 74395545.

It is an arithmetic number, because the mean of its divisors is an integer number (13421133600).

Almost surely, 2^{1327875553620} is an apocalyptic number.

1327875553620 is a gapful number since it is divisible by the number (10) 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 1327875553620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576857651200).

1327875553620 is an abundant number, since it is smaller than the sum of its proper divisors (3825839748780).

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

1327875553620 is a wasteful number, since it uses less digits than its factorization.

1327875553620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19676 (or 19668 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 1327875553620 in words is "one trillion, three hundred twenty-seven billion, eight hundred seventy-five million, five hundred fifty-three thousand, six hundred twenty".