401155320232405 has 8 divisors (see below), whose sum is σ = 481386692272032. Its totient is φ = 320924050857168.

The previous prime is 401155320232367. The next prime is 401155320232423. The reversal of 401155320232405 is 504232023551104.

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 401155320232405 - 2¹⁵ = 401155320199637 is a prime.

It is a Duffinian number.

It is a congruent 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, 16790707 + ... + 32927776.

It is an arithmetic number, because the mean of its divisors is an integer number (60173336534004).

Almost surely, 2^{401155320232405} is an apocalyptic number.

It is an amenable number.

401155320232405 is a deficient number, since it is larger than the sum of its proper divisors (80231372039627).

401155320232405 is a wasteful number, since it uses less digits than its factorization.

401155320232405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51332195.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 401155320232405 its reverse (504232023551104), we get a palindrome (905387343783509).

The spelling of 401155320232405 in words is "four hundred one trillion, one hundred fifty-five billion, three hundred twenty million, two hundred thirty-two thousand, four hundred five".