42512444421524 has 24 divisors (see below), whose sum is σ = 92754424193088. Its totient is φ = 16563290034240.

The previous prime is 42512444421511. The next prime is 42512444421553.

42512444421524 is nontrivially palindromic in base 10.

42512444421524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 7 ways as a sum of consecutive naturals, for example, 69013708169 + ... + 69013708784.

It is an arithmetic number, because the mean of its divisors is an integer number (3864767674712).

Almost surely, 2^{42512444421524} is an apocalyptic number.

42512444421524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42512444421524 is an abundant number, since it is smaller than the sum of its proper divisors (50241979771564).

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

42512444421524 is a wasteful number, since it uses less digits than its factorization.

42512444421524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138027416975 (or 138027416973 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 44.

It can be divided in two parts, 4251244 and 4421524, that added together give a palindrome (8672768).

The spelling of 42512444421524 in words is "forty-two trillion, five hundred twelve billion, four hundred forty-four million, four hundred twenty-one thousand, five hundred twenty-four".