43440422131201 has 8 divisors (see below), whose sum is σ = 43511161607424. Its totient is φ = 43369683735840.

The previous prime is 43440422131187. The next prime is 43440422131219. The reversal of 43440422131201 is 10213122404434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43440422131201 - 2¹³ = 43440422123009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43440422134201) 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, 135870936 + ... + 136190278.

It is an arithmetic number, because the mean of its divisors is an integer number (5438895200928).

Almost surely, 2^{43440422131201} is an apocalyptic number.

It is an amenable number.

43440422131201 is a deficient number, since it is larger than the sum of its proper divisors (70739476223).

43440422131201 is a wasteful number, since it uses less digits than its factorization.

43440422131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540431.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 43440422131201 its reverse (10213122404434), we get a palindrome (53653544535635).

The spelling of 43440422131201 in words is "forty-three trillion, four hundred forty billion, four hundred twenty-two million, one hundred thirty-one thousand, two hundred one".