405540411436 has 24 divisors (see below), whose sum is σ = 733044798080. Its totient is φ = 196107177600.

The previous prime is 405540411433. The next prime is 405540411443. The reversal of 405540411436 is 634114045504.

It is a junction number, because it is equal to n+sod(n) for n = 405540411395 and 405540411404.

It is not an unprimeable number, because it can be changed into a prime (405540411431) 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 7 ways as a sum of consecutive naturals, for example, 816795 + ... + 1215826.

Almost surely, 2^405540411436 is an apocalyptic number.

It is an amenable number.

405540411436 is a deficient number, since it is larger than the sum of its proper divisors (327504386644).

405540411436 is a wasteful number, since it uses less digits than its factorization.

405540411436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034265 (or 2034263 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 405540411436 in words is "four hundred five billion, five hundred forty million, four hundred eleven thousand, four hundred thirty-six".