42342401340 has 72 divisors (see below), whose sum is σ = 128457315168. Its totient is φ = 11289663360.

The previous prime is 42342401329. The next prime is 42342401357. The reversal of 42342401340 is 4310424324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1699614 + ... + 1724346.

Almost surely, 2^42342401340 is an apocalyptic number.

It is an amenable number.

42342401340 is an abundant number, since it is smaller than the sum of its proper divisors (86114913828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42342401340 is a wasteful number, since it uses less digits than its factorization.

42342401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34259 (or 34254 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42342401340 its reverse (4310424324), we get a palindrome (46652825664).

The spelling of 42342401340 in words is "forty-two billion, three hundred forty-two million, four hundred one thousand, three hundred forty".