42722861018 has 8 divisors (see below), whose sum is σ = 64215882912. Its totient is φ = 21317566716.

The previous prime is 42722861009. The next prime is 42722861029. The reversal of 42722861018 is 81016822724.

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

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 3 ways as a sum of consecutive naturals, for example, 21930680 + ... + 21932627.

It is an arithmetic number, because the mean of its divisors is an integer number (8026985364).

Almost surely, 2^42722861018 is an apocalyptic number.

42722861018 is a deficient number, since it is larger than the sum of its proper divisors (21493021894).

42722861018 is a wasteful number, since it uses less digits than its factorization.

42722861018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43863796.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 42722861018 in words is "forty-two billion, seven hundred twenty-two million, eight hundred sixty-one thousand, eighteen".