405606553046 has 8 divisors (see below), whose sum is σ = 609475347624. Its totient is φ = 202448103840.

The previous prime is 405606553039. The next prime is 405606553049. The reversal of 405606553046 is 640355606504.

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

It is a super-2 number, since 2×405606553046² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 405606552988 and 405606553006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405606553049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177584915 + ... + 177587198.

It is an arithmetic number, because the mean of its divisors is an integer number (76184418453).

Almost surely, 2^405606553046 is an apocalyptic number.

405606553046 is a deficient number, since it is larger than the sum of its proper divisors (203868794578).

405606553046 is a wasteful number, since it uses less digits than its factorization.

405606553046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355172686.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 405606553046 in words is "four hundred five billion, six hundred six million, five hundred fifty-three thousand, forty-six".