405420141010541 has 4 divisors (see below), whose sum is σ = 416377442118972. Its totient is φ = 394462839902112.

The previous prime is 405420141010517. The next prime is 405420141010561. The reversal of 405420141010541 is 145010141024504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 331926641073316 + 73493499937225 = 18218854^2 + 8572835^2 .

It is a cyclic number.

It is not a de Polignac number, because 405420141010541 - 2⁶ = 405420141010477 is a prime.

It is a super-2 number, since 2×405420141010541² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 405420141010498 and 405420141010507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405420141010561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5478650554160 + ... + 5478650554233.

It is an arithmetic number, because the mean of its divisors is an integer number (104094360529743).

Almost surely, 2^{405420141010541} is an apocalyptic number.

It is an amenable number.

405420141010541 is a deficient number, since it is larger than the sum of its proper divisors (10957301108431).

405420141010541 is a wasteful number, since it uses less digits than its factorization.

405420141010541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957301108430.

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 405420141010541 in words is "four hundred five trillion, four hundred twenty billion, one hundred forty-one million, ten thousand, five hundred forty-one".