405636262220343 has 64 divisors (see below), whose sum is σ = 681153578164224. Its totient is φ = 208580838480000.

The previous prime is 405636262220303. The next prime is 405636262220377. The reversal of 405636262220343 is 343022262636504.

It is a happy number.

It is not a de Polignac number, because 405636262220343 - 2¹² = 405636262216247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405636262220292 and 405636262220301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405636262220303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89789448 + ... + 94198818.

It is an arithmetic number, because the mean of its divisors is an integer number (10643024658816).

Almost surely, 2^{405636262220343} is an apocalyptic number.

405636262220343 is a deficient number, since it is larger than the sum of its proper divisors (275517315943881).

405636262220343 is a wasteful number, since it uses less digits than its factorization.

405636262220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413436.

The product of its (nonzero) digits is 7464960, while the sum is 48.

The spelling of 405636262220343 in words is "four hundred five trillion, six hundred thirty-six billion, two hundred sixty-two million, two hundred twenty thousand, three hundred forty-three".