40142341344 has 144 divisors (see below), whose sum is σ = 122750319888. Its totient is φ = 11453073408.

The previous prime is 40142341339. The next prime is 40142341357. The reversal of 40142341344 is 44314324104.

It is a super-2 number, since 2×40142341344² (a number of 22 digits) contains 22 as substring.

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, 3555292 + ... + 3566564.

It is an arithmetic number, because the mean of its divisors is an integer number (852432777).

Almost surely, 2^40142341344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40142341344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61375159944).

40142341344 is an abundant number, since it is smaller than the sum of its proper divisors (82607978544).

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

40142341344 is a wasteful number, since it uses less digits than its factorization.

40142341344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12057 (or 12042 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40142341344 its reverse (44314324104), we get a palindrome (84456665448).

The spelling of 40142341344 in words is "forty billion, one hundred forty-two million, three hundred forty-one thousand, three hundred forty-four".