42344512140 has 48 divisors (see below), whose sum is σ = 135502440192. Its totient is φ = 9678745536.

The previous prime is 42344512123. The next prime is 42344512153. The reversal of 42344512140 is 4121544324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42344512098 and 42344512107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50409714 + ... + 50410553.

It is an arithmetic number, because the mean of its divisors is an integer number (2822967504).

Almost surely, 2^42344512140 is an apocalyptic number.

It is an amenable number.

42344512140 is an abundant number, since it is smaller than the sum of its proper divisors (93157928052).

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

42344512140 is a wasteful number, since it uses less digits than its factorization.

42344512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100820286 (or 100820284 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 42344512140 in words is "forty-two billion, three hundred forty-four million, five hundred twelve thousand, one hundred forty".