20240140104442 has 16 divisors (see below), whose sum is σ = 30444382053792. Its totient is φ = 10092047631120.

The previous prime is 20240140104439. The next prime is 20240140104469. The reversal of 20240140104442 is 24440104104202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20240140104442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7557948 + ... + 9879415.

It is an arithmetic number, because the mean of its divisors is an integer number (1902773878362).

Almost surely, 2^{20240140104442} is an apocalyptic number.

20240140104442 is a deficient number, since it is larger than the sum of its proper divisors (10204241949350).

20240140104442 is a wasteful number, since it uses less digits than its factorization.

20240140104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17438973.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 20240140104442 its reverse (24440104104202), we get a palindrome (44680244208644).

The spelling of 20240140104442 in words is "twenty trillion, two hundred forty billion, one hundred forty million, one hundred four thousand, four hundred forty-two".