405552533500 has 96 divisors (see below), whose sum is σ = 890126677440. Its totient is φ = 161417312000.

The previous prime is 405552533483. The next prime is 405552533513. The reversal of 405552533500 is 5335255504.

It is a self number, because there is not a number n which added to its sum of digits gives 405552533500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89662239 + ... + 89666761.

It is an arithmetic number, because the mean of its divisors is an integer number (9272152890).

Almost surely, 2^405552533500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405552533500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445063338720).

405552533500 is an abundant number, since it is smaller than the sum of its proper divisors (484574143940).

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

405552533500 is a wasteful number, since it uses less digits than its factorization.

405552533500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 405552533500 in words is "four hundred five billion, five hundred fifty-two million, five hundred thirty-three thousand, five hundred".