405330102 has 16 divisors (see below), whose sum is σ = 900733680. Its totient is φ = 135110016.

The previous prime is 405330089. The next prime is 405330103. The reversal of 405330102 is 201033504.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405330103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753003 + ... + 3753110.

It is an arithmetic number, because the mean of its divisors is an integer number (56295855).

Almost surely, 2^405330102 is an apocalyptic number.

405330102 is an abundant number, since it is smaller than the sum of its proper divisors (495403578).

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

405330102 is a wasteful number, since it uses less digits than its factorization.

405330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506124 (or 7506118 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 405330102 is about 20132.8115771245. The cubic root of 405330102 is about 740.0645804364.

Adding to 405330102 its reverse (201033504), we get a palindrome (606363606).

The spelling of 405330102 in words is "four hundred five million, three hundred thirty thousand, one hundred two".