42181230957 has 8 divisors (see below), whose sum is σ = 56242622784. Its totient is φ = 28120329888.

The previous prime is 42181230941. The next prime is 42181230997. The reversal of 42181230957 is 75903218124.

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

It is not a de Polignac number, because 42181230957 - 2⁴ = 42181230941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42181230997) 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, 196488 + ... + 350670.

It is an arithmetic number, because the mean of its divisors is an integer number (7030327848).

Almost surely, 2^42181230957 is an apocalyptic number.

It is an amenable number.

42181230957 is a deficient number, since it is larger than the sum of its proper divisors (14061391827).

42181230957 is a wasteful number, since it uses less digits than its factorization.

42181230957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245379.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 42181230957 in words is "forty-two billion, one hundred eighty-one million, two hundred thirty thousand, nine hundred fifty-seven".