405203305332 has 96 divisors (see below), whose sum is σ = 1086195303424. Its totient is φ = 115167225600.

The previous prime is 405203305291. The next prime is 405203305427. The reversal of 405203305332 is 233503302504.

It is a self number, because there is not a number n which added to its sum of digits gives 405203305332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47549232 + ... + 47557752.

Almost surely, 2^405203305332 is an apocalyptic number.

405203305332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405203305332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543097651712).

405203305332 is an abundant number, since it is smaller than the sum of its proper divisors (680991998092).

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

405203305332 is a wasteful number, since it uses less digits than its factorization.

405203305332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429 (or 11427 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 405203305332 its reverse (233503302504), we get a palindrome (638706607836).

The spelling of 405203305332 in words is "four hundred five billion, two hundred three million, three hundred five thousand, three hundred thirty-two".