405435636552 has 16 divisors (see below), whose sum is σ = 1013589091440. Its totient is φ = 135145212176.

The previous prime is 405435636511. The next prime is 405435636569. The reversal of 405435636552 is 255636534504.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8446575738 + ... + 8446575785.

It is an arithmetic number, because the mean of its divisors is an integer number (63349318215).

Almost surely, 2^405435636552 is an apocalyptic number.

It is an amenable number.

405435636552 is an abundant number, since it is smaller than the sum of its proper divisors (608153454888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405435636552 is a wasteful number, since it uses less digits than its factorization.

405435636552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16893151532 (or 16893151528 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 405435636552 in words is "four hundred five billion, four hundred thirty-five million, six hundred thirty-six thousand, five hundred fifty-two".