42281240957 has 8 divisors (see below), whose sum is σ = 44771859000. Its totient is φ = 39791010304.

The previous prime is 42281240941. The next prime is 42281240959. The reversal of 42281240957 is 75904218224.

It can be written as a sum of positive squares in 4 ways, for example, as 1090914841 + 41190326116 = 33029^2 + 202954^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42281240957 - 2⁴ = 42281240941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42281240959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145169 + ... + 325017.

It is an arithmetic number, because the mean of its divisors is an integer number (5596482375).

Almost surely, 2^42281240957 is an apocalyptic number.

It is an amenable number.

42281240957 is a deficient number, since it is larger than the sum of its proper divisors (2490618043).

42281240957 is a wasteful number, since it uses less digits than its factorization.

42281240957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193695.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 42281240957 in words is "forty-two billion, two hundred eighty-one million, two hundred forty thousand, nine hundred fifty-seven".