42475147257 has 8 divisors (see below), whose sum is σ = 56795804800. Its totient is φ = 28235627280.

The previous prime is 42475147217. The next prime is 42475147301. The reversal of 42475147257 is 75274157424.

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

It is not a de Polignac number, because 42475147257 - 2¹⁹ = 42474622969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42475147217) 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, 20283169 + ... + 20285262.

It is an arithmetic number, because the mean of its divisors is an integer number (7099475600).

Almost surely, 2^42475147257 is an apocalyptic number.

It is an amenable number.

42475147257 is a deficient number, since it is larger than the sum of its proper divisors (14320657543).

42475147257 is a wasteful number, since it uses less digits than its factorization.

42475147257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40568783.

The product of its digits is 2195200, while the sum is 48.

The spelling of 42475147257 in words is "forty-two billion, four hundred seventy-five million, one hundred forty-seven thousand, two hundred fifty-seven".