42245130542442 has 32 divisors (see below), whose sum is σ = 84763078041600. Its totient is φ = 14036299936560.

The previous prime is 42245130542429. The next prime is 42245130542471. The reversal of 42245130542442 is 24424503154224.

It is a junction number, because it is equal to n+sod(n) for n = 42245130542394 and 42245130542403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4552942 + ... + 10257657.

It is an arithmetic number, because the mean of its divisors is an integer number (2648846188800).

Almost surely, 2^{42245130542442} is an apocalyptic number.

42245130542442 is an abundant number, since it is smaller than the sum of its proper divisors (42517947499158).

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

42245130542442 is a wasteful number, since it uses less digits than its factorization.

42245130542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14812138.

The product of its (nonzero) digits is 1228800, while the sum is 42.

Adding to 42245130542442 its reverse (24424503154224), we get a palindrome (66669633696666).

The spelling of 42245130542442 in words is "forty-two trillion, two hundred forty-five billion, one hundred thirty million, five hundred forty-two thousand, four hundred forty-two".