40230121144443 has 16 divisors (see below), whose sum is σ = 56796029205120. Its totient is φ = 25242178260096.

The previous prime is 40230121144429. The next prime is 40230121144469. The reversal of 40230121144443 is 34444112103204.

It is a happy number.

It is not a de Polignac number, because 40230121144443 - 2¹⁴ = 40230121128059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40230121144483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336896 + ... + 9069042.

It is an arithmetic number, because the mean of its divisors is an integer number (3549751825320).

Almost surely, 2^{40230121144443} is an apocalyptic number.

40230121144443 is a deficient number, since it is larger than the sum of its proper divisors (16565908060677).

40230121144443 is a wasteful number, since it uses less digits than its factorization.

40230121144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7834186.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 40230121144443 its reverse (34444112103204), we get a palindrome (74674233247647).

The spelling of 40230121144443 in words is "forty trillion, two hundred thirty billion, one hundred twenty-one million, one hundred forty-four thousand, four hundred forty-three".