130442123550 has 192 divisors, whose sum is σ = 334598584320. Its totient is φ = 33615408000.

The previous prime is 130442123543. The next prime is 130442123587. The reversal of 130442123550 is 55321244031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228444765 + ... + 228445335.

It is an arithmetic number, because the mean of its divisors is an integer number (1742700960).

Almost surely, 2^130442123550 is an apocalyptic number.

130442123550 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 130442123550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167299292160).

130442123550 is an abundant number, since it is smaller than the sum of its proper divisors (204156460770).

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

130442123550 is a wasteful number, since it uses less digits than its factorization.

130442123550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 130442123550 its reverse (55321244031), we get a palindrome (185763367581).

The spelling of 130442123550 in words is "one hundred thirty billion, four hundred forty-two million, one hundred twenty-three thousand, five hundred fifty".