42724533418 has 8 divisors (see below), whose sum is σ = 73242057312. Its totient is φ = 18310514316.

The previous prime is 42724533391. The next prime is 42724533419. The reversal of 42724533418 is 81433542724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42724533419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525876180 + ... + 1525876207.

It is an arithmetic number, because the mean of its divisors is an integer number (9155257164).

Almost surely, 2^42724533418 is an apocalyptic number.

42724533418 is a deficient number, since it is larger than the sum of its proper divisors (30517523894).

42724533418 is a wasteful number, since it uses less digits than its factorization.

42724533418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051752396.

The product of its digits is 645120, while the sum is 43.

The spelling of 42724533418 in words is "forty-two billion, seven hundred twenty-four million, five hundred thirty-three thousand, four hundred eighteen".