42720210444 has 24 divisors (see below), whose sum is σ = 100094109808. Its totient is φ = 14180981760.

The previous prime is 42720210439. The next prime is 42720210551. The reversal of 42720210444 is 44401202724.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7383037 + ... + 7388820.

Almost surely, 2^42720210444 is an apocalyptic number.

It is an amenable number.

42720210444 is an abundant number, since it is smaller than the sum of its proper divisors (57373899364).

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

42720210444 is a wasteful number, since it uses less digits than its factorization.

42720210444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14772105 (or 14772103 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The spelling of 42720210444 in words is "forty-two billion, seven hundred twenty million, two hundred ten thousand, four hundred forty-four".