42657217575 has 24 divisors (see below), whose sum is σ = 80601829248. Its totient is φ = 19500442080.

The previous prime is 42657217567. The next prime is 42657217579. The reversal of 42657217575 is 57571275624.

It is not a de Polignac number, because 42657217575 - 2³ = 42657217567 is a prime.

It is a super-2 number, since 2×42657217575² (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 (42657217579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40625397 + ... + 40626446.

It is an arithmetic number, because the mean of its divisors is an integer number (3358409552).

Almost surely, 2^42657217575 is an apocalyptic number.

42657217575 is a deficient number, since it is larger than the sum of its proper divisors (37944611673).

42657217575 is a wasteful number, since it uses less digits than its factorization.

42657217575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81251863 (or 81251858 counting only the distinct ones).

The product of its digits is 4116000, while the sum is 51.

The spelling of 42657217575 in words is "forty-two billion, six hundred fifty-seven million, two hundred seventeen thousand, five hundred seventy-five".