42607218385 has 8 divisors (see below), whose sum is σ = 51140658816. Its totient is φ = 34077776880.

The previous prime is 42607218331. The next prime is 42607218397. The reversal of 42607218385 is 58381270624.

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

It is not a de Polignac number, because 42607218385 - 2²¹ = 42605121233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976239 + ... + 1018948.

It is an arithmetic number, because the mean of its divisors is an integer number (6392582352).

Almost surely, 2^42607218385 is an apocalyptic number.

It is an amenable number.

42607218385 is a deficient number, since it is larger than the sum of its proper divisors (8533440431).

42607218385 is a wasteful number, since it uses less digits than its factorization.

42607218385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999463.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 42607218385 in words is "forty-two billion, six hundred seven million, two hundred eighteen thousand, three hundred eighty-five".