43144420012402 has 16 divisors (see below), whose sum is σ = 64785635123040. Its totient is φ = 21549211898368.

The previous prime is 43144420012391. The next prime is 43144420012403. The reversal of 43144420012402 is 20421002444134.

It is a happy number.

It is a super-2 number, since 2×43144420012402² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43144420012403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23292978 + ... + 25076914.

It is an arithmetic number, because the mean of its divisors is an integer number (4049102195190).

Almost surely, 2^{43144420012402} is an apocalyptic number.

43144420012402 is a deficient number, since it is larger than the sum of its proper divisors (21641215110638).

43144420012402 is a wasteful number, since it uses less digits than its factorization.

43144420012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796825.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 43144420012402 its reverse (20421002444134), we get a palindrome (63565422456536).

The spelling of 43144420012402 in words is "forty-three trillion, one hundred forty-four billion, four hundred twenty million, twelve thousand, four hundred two".