43240401155 has 8 divisors (see below), whose sum is σ = 59301121632. Its totient is φ = 29650560768.

The previous prime is 43240401151. The next prime is 43240401161. The reversal of 43240401155 is 55110404234.

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 43240401155 - 2² = 43240401151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43240401151) 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, 617719982 + ... + 617720051.

It is an arithmetic number, because the mean of its divisors is an integer number (7412640204).

Almost surely, 2^43240401155 is an apocalyptic number.

43240401155 is a deficient number, since it is larger than the sum of its proper divisors (16060720477).

43240401155 is a wasteful number, since it uses less digits than its factorization.

43240401155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235440045.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 43240401155 its reverse (55110404234), we get a palindrome (98350805389).

The spelling of 43240401155 in words is "forty-three billion, two hundred forty million, four hundred one thousand, one hundred fifty-five".