42644616007 has 8 divisors (see below), whose sum is σ = 48742099616. Its totient is φ = 36548481312.

The previous prime is 42644615989. The next prime is 42644616019. The reversal of 42644616007 is 70061644624.

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

It is not a de Polignac number, because 42644616007 - 2¹¹ = 42644613959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42644616107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268548 + ... + 396745.

It is an arithmetic number, because the mean of its divisors is an integer number (6092762452).

Almost surely, 2^42644616007 is an apocalyptic number.

42644616007 is a deficient number, since it is larger than the sum of its proper divisors (6097483609).

42644616007 is an equidigital number, since it uses as much as digits as its factorization.

42644616007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674457.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 42644616007 in words is "forty-two billion, six hundred forty-four million, six hundred sixteen thousand, seven".