42438548732 has 12 divisors (see below), whose sum is σ = 78176274120. Its totient is φ = 20102470416.

The previous prime is 42438548731. The next prime is 42438548743. The reversal of 42438548732 is 23784583424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42438548731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279200903 + ... + 279201054.

It is an arithmetic number, because the mean of its divisors is an integer number (6514689510).

Almost surely, 2^42438548732 is an apocalyptic number.

It is an amenable number.

42438548732 is a deficient number, since it is larger than the sum of its proper divisors (35737725388).

42438548732 is a wasteful number, since it uses less digits than its factorization.

42438548732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558401980 (or 558401978 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 50.

The spelling of 42438548732 in words is "forty-two billion, four hundred thirty-eight million, five hundred forty-eight thousand, seven hundred thirty-two".