2440344142 has 8 divisors (see below), whose sum is σ = 3786741000. Its totient is φ = 1178097144.

The previous prime is 2440344131. The next prime is 2440344157. The reversal of 2440344142 is 2414430442.

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

It is a super-3 number, since 3×2440344142³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2440344142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21037392 + ... + 21037507.

It is an arithmetic number, because the mean of its divisors is an integer number (473342625).

Almost surely, 2^2440344142 is an apocalyptic number.

2440344142 is a deficient number, since it is larger than the sum of its proper divisors (1346396858).

2440344142 is a wasteful number, since it uses less digits than its factorization.

2440344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42074930.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2440344142 is about 49399.8394936664. The cubic root of 2440344142 is about 1346.3263896027.

Adding to 2440344142 its reverse (2414430442), we get a palindrome (4854774584).

The spelling of 2440344142 in words is "two billion, four hundred forty million, three hundred forty-four thousand, one hundred forty-two".