405344144040101 has 8 divisors (see below), whose sum is σ = 463267154496384. Its totient is φ = 347425309625040.

The previous prime is 405344144040089. The next prime is 405344144040139. The reversal of 405344144040101 is 101040441443504.

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 405344144040101 - 2²² = 405344139845797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405344144040601) 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, 1043802305 + ... + 1044190566.

It is an arithmetic number, because the mean of its divisors is an integer number (57908394312048).

Almost surely, 2^{405344144040101} is an apocalyptic number.

It is an amenable number.

405344144040101 is a deficient number, since it is larger than the sum of its proper divisors (57923010456283).

405344144040101 is a wasteful number, since it uses less digits than its factorization.

405344144040101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088020611.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 405344144040101 its reverse (101040441443504), we get a palindrome (506384585483605).

The spelling of 405344144040101 in words is "four hundred five trillion, three hundred forty-four billion, one hundred forty-four million, forty thousand, one hundred one".