42667520565 has 8 divisors (see below), whose sum is σ = 68268032928. Its totient is φ = 22756010960.

The previous prime is 42667520557. The next prime is 42667520569. The reversal of 42667520565 is 56502576624.

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

It is not a de Polignac number, because 42667520565 - 2³ = 42667520557 is a prime.

It is a super-2 number, since 2×42667520565² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42667520569) 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, 1422250671 + ... + 1422250700.

It is an arithmetic number, because the mean of its divisors is an integer number (8533504116).

Almost surely, 2^42667520565 is an apocalyptic number.

It is an amenable number.

42667520565 is a deficient number, since it is larger than the sum of its proper divisors (25600512363).

42667520565 is a wasteful number, since it uses less digits than its factorization.

42667520565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844501379.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 42667520565 in words is "forty-two billion, six hundred sixty-seven million, five hundred twenty thousand, five hundred sixty-five".