105530132442 has 64 divisors (see below), whose sum is σ = 242147119104. Its totient is φ = 30034687680.

The previous prime is 105530132423. The next prime is 105530132471. The reversal of 105530132442 is 244231035501.

It is a super-2 number, since 2×105530132442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31565823 + ... + 31569165.

It is an arithmetic number, because the mean of its divisors is an integer number (3783548736).

Almost surely, 2^105530132442 is an apocalyptic number.

105530132442 is an abundant number, since it is smaller than the sum of its proper divisors (136616986662).

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

105530132442 is a wasteful number, since it uses less digits than its factorization.

105530132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

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

Adding to 105530132442 its reverse (244231035501), we get a palindrome (349761167943).

The spelling of 105530132442 in words is "one hundred five billion, five hundred thirty million, one hundred thirty-two thousand, four hundred forty-two".