405047030 has 8 divisors (see below), whose sum is σ = 729084672. Its totient is φ = 162018808.

The previous prime is 405047021. The next prime is 405047033. The reversal of 405047030 is 30740504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 405046987 and 405047005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405047033) 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 3 ways as a sum of consecutive naturals, for example, 20252342 + ... + 20252361.

It is an arithmetic number, because the mean of its divisors is an integer number (91135584).

Almost surely, 2^405047030 is an apocalyptic number.

405047030 is a deficient number, since it is larger than the sum of its proper divisors (324037642).

405047030 is a wasteful number, since it uses less digits than its factorization.

405047030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40504710.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 405047030 is about 20125.7802333226. The cubic root of 405047030 is about 739.8922596978.

Adding to 405047030 its reverse (30740504), we get a palindrome (435787534).

The spelling of 405047030 in words is "four hundred five million, forty-seven thousand, thirty".