42520162434 has 16 divisors (see below), whose sum is σ = 89516131680. Its totient is φ = 13427419680.

The previous prime is 42520162427. The next prime is 42520162439. The reversal of 42520162434 is 43426102524.

It is a junction number, because it is equal to n+sod(n) for n = 42520162395 and 42520162404.

It is not an unprimeable number, because it can be changed into a prime (42520162439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186491827 + ... + 186492054.

It is an arithmetic number, because the mean of its divisors is an integer number (5594758230).

Almost surely, 2^42520162434 is an apocalyptic number.

42520162434 is an abundant number, since it is smaller than the sum of its proper divisors (46995969246).

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

42520162434 is a wasteful number, since it uses less digits than its factorization.

42520162434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372983905.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 42520162434 its reverse (43426102524), we get a palindrome (85946264958).

The spelling of 42520162434 in words is "forty-two billion, five hundred twenty million, one hundred sixty-two thousand, four hundred thirty-four".