405102030 has 16 divisors (see below), whose sum is σ = 972244944. Its totient is φ = 108027200.

The previous prime is 405102029. The next prime is 405102043. The reversal of 405102030 is 30201504.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6751671 + ... + 6751730.

It is an arithmetic number, because the mean of its divisors is an integer number (60765309).

Almost surely, 2^405102030 is an apocalyptic number.

405102030 is an abundant number, since it is smaller than the sum of its proper divisors (567142914).

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

405102030 is a wasteful number, since it uses less digits than its factorization.

405102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13503411.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 405102030 is about 20127.1465935934. The cubic root of 405102030 is about 739.9257473585.

Adding to 405102030 its reverse (30201504), we get a palindrome (435303534).

The spelling of 405102030 in words is "four hundred five million, one hundred two thousand, thirty".