132644348550 has 240 divisors, whose sum is σ = 421597516032. Its totient is φ = 30290500800.

The previous prime is 132644348509. The next prime is 132644348569. The reversal of 132644348550 is 55843446231.

132644348550 is a `hidden beast` number, since 1 + 3 + 2 + 64 + 4 + 34 + 8 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 132644348496 and 132644348505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 54742639 + ... + 54745061.

Almost surely, 2^132644348550 is an apocalyptic number.

132644348550 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 132644348550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210798758016).

132644348550 is an abundant number, since it is smaller than the sum of its proper divisors (288953167482).

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

132644348550 is a wasteful number, since it uses less digits than its factorization.

132644348550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 132644348550 in words is "one hundred thirty-two billion, six hundred forty-four million, three hundred forty-eight thousand, five hundred fifty".