42587544957 has 8 divisors (see below), whose sum is σ = 58741441440. Its totient is φ = 27412672560.

The previous prime is 42587544941. The next prime is 42587544983. The reversal of 42587544957 is 75944578524.

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

It is not a de Polignac number, because 42587544957 - 2⁴ = 42587544941 is a prime.

It is a super-2 number, since 2×42587544957² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42587544957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42587544457) 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, 244755919 + ... + 244756092.

It is an arithmetic number, because the mean of its divisors is an integer number (7342680180).

Almost surely, 2^42587544957 is an apocalyptic number.

It is an amenable number.

42587544957 is a deficient number, since it is larger than the sum of its proper divisors (16153896483).

42587544957 is a wasteful number, since it uses less digits than its factorization.

42587544957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489512043.

The product of its digits is 56448000, while the sum is 60.

The spelling of 42587544957 in words is "forty-two billion, five hundred eighty-seven million, five hundred forty-four thousand, nine hundred fifty-seven".