42354402321 has 16 divisors (see below), whose sum is σ = 70407318528. Its totient is φ = 22002286800.

The previous prime is 42354402281. The next prime is 42354402371. The reversal of 42354402321 is 12320445324.

It is not a de Polignac number, because 42354402321 - 2²⁵ = 42320847889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42354402371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91675965 + ... + 91676426.

It is an arithmetic number, because the mean of its divisors is an integer number (4400457408).

Almost surely, 2^42354402321 is an apocalyptic number.

It is an amenable number.

42354402321 is a deficient number, since it is larger than the sum of its proper divisors (28052916207).

42354402321 is a wasteful number, since it uses less digits than its factorization.

42354402321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183352412.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42354402321 its reverse (12320445324), we get a palindrome (54674847645).

The spelling of 42354402321 in words is "forty-two billion, three hundred fifty-four million, four hundred two thousand, three hundred twenty-one".