42885601409 has 8 divisors (see below), whose sum is σ = 49083050688. Its totient is φ = 36705885840.

The previous prime is 42885601403. The next prime is 42885601471. The reversal of 42885601409 is 90410658824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42885601409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42885601403) 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, 4428242 + ... + 4437915.

It is an arithmetic number, because the mean of its divisors is an integer number (6135381336).

Almost surely, 2^42885601409 is an apocalyptic number.

It is an amenable number.

42885601409 is a deficient number, since it is larger than the sum of its proper divisors (6197449279).

42885601409 is an equidigital number, since it uses as much as digits as its factorization.

42885601409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866855.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 42885601409 in words is "forty-two billion, eight hundred eighty-five million, six hundred one thousand, four hundred nine".