42636520207 has 8 divisors (see below), whose sum is σ = 43683227280. Its totient is φ = 41590136640.

The previous prime is 42636520193. The next prime is 42636520231. The reversal of 42636520207 is 70202563624.

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

It is a cyclic number.

It is not a de Polignac number, because 42636520207 - 2¹¹ = 42636518159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42636520007) 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, 197568 + ... + 352570.

It is an arithmetic number, because the mean of its divisors is an integer number (5460403410).

Almost surely, 2^42636520207 is an apocalyptic number.

42636520207 is a deficient number, since it is larger than the sum of its proper divisors (1046707073).

42636520207 is a wasteful number, since it uses less digits than its factorization.

42636520207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161753.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 42636520207 in words is "forty-two billion, six hundred thirty-six million, five hundred twenty thousand, two hundred seven".