42257555047575 has 36 divisors (see below), whose sum is σ = 86500544430768. Its totient is φ = 19317739449600.

The previous prime is 42257555047567. The next prime is 42257555047607. The reversal of 42257555047575 is 57574055575224.

42257555047575 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 7 + 5 + 5 + 50 + 4 + 7 + 575 = 666.

It is not a de Polignac number, because 42257555047575 - 2³ = 42257555047567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13415095266 + ... + 13415098415.

Almost surely, 2^{42257555047575} is an apocalyptic number.

42257555047575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42257555047575 is an abundant number, since it is smaller than the sum of its proper divisors (44242989383193).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42257555047575 is a wasteful number, since it uses less digits than its factorization.

42257555047575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830193704 (or 26830193696 counting only the distinct ones).

The product of its (nonzero) digits is 343000000, while the sum is 63.

The spelling of 42257555047575 in words is "forty-two trillion, two hundred fifty-seven billion, five hundred fifty-five million, forty-seven thousand, five hundred seventy-five".