42540333320012 has 48 divisors (see below), whose sum is σ = 86094349679520. Its totient is φ = 18177119769600.

The previous prime is 42540333319973. The next prime is 42540333320027. The reversal of 42540333320012 is 21002333304524.

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, 33681539 + ... + 34921722.

It is an arithmetic number, because the mean of its divisors is an integer number (1793632284990).

Almost surely, 2^{42540333320012} is an apocalyptic number.

It is an amenable number.

42540333320012 is an abundant number, since it is smaller than the sum of its proper divisors (43554016359508).

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

42540333320012 is a wasteful number, since it uses less digits than its factorization.

42540333320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68604122 (or 68604120 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 42540333320012 its reverse (21002333304524), we get a palindrome (63542666624536).

The spelling of 42540333320012 in words is "forty-two trillion, five hundred forty billion, three hundred thirty-three million, three hundred twenty thousand, twelve".