2320402440155 has 8 divisors (see below), whose sum is σ = 2784492965184. Its totient is φ = 1856315260800.

The previous prime is 2320402440143. The next prime is 2320402440211. The reversal of 2320402440155 is 5510442040232.

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

It is not a de Polignac number, because 2320402440155 - 2⁸ = 2320402439899 is a prime.

It is a Duffinian number.

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, 1094750 + ... + 2416460.

It is an arithmetic number, because the mean of its divisors is an integer number (348061620648).

Almost surely, 2^{2320402440155} is an apocalyptic number.

2320402440155 is a deficient number, since it is larger than the sum of its proper divisors (464090525029).

2320402440155 is a wasteful number, since it uses less digits than its factorization.

2320402440155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672837.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 2320402440155 its reverse (5510442040232), we get a palindrome (7830844480387).

The spelling of 2320402440155 in words is "two trillion, three hundred twenty billion, four hundred two million, four hundred forty thousand, one hundred fifty-five".