405116030 has 64 divisors (see below), whose sum is σ = 820150272. Its totient is φ = 142813440.

The previous prime is 405116009. The next prime is 405116057. The reversal of 405116030 is 30611504.

It is a junction number, because it is equal to n+sod(n) for n = 405115993 and 405116011.

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, 656282 + ... + 656898.

It is an arithmetic number, because the mean of its divisors is an integer number (12814848).

Almost surely, 2^405116030 is an apocalyptic number.

405116030 is an abundant number, since it is smaller than the sum of its proper divisors (415034242).

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

405116030 is a wasteful number, since it uses less digits than its factorization.

405116030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 405116030 is about 20127.4943795794. The cubic root of 405116030 is about 739.9342710063.

Adding to 405116030 its reverse (30611504), we get a palindrome (435727534).

The spelling of 405116030 in words is "four hundred five million, one hundred sixteen thousand, thirty".