405315030 has 64 divisors (see below), whose sum is σ = 1037030400. Its totient is φ = 101088000.

The previous prime is 405315019. The next prime is 405315061. The reversal of 405315030 is 30513504.

It is a junction number, because it is equal to n+sod(n) for n = 405314988 and 405315006.

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, 40530 + ... + 49530.

It is an arithmetic number, because the mean of its divisors is an integer number (16203600).

Almost surely, 2^405315030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405315030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518515200).

405315030 is an abundant number, since it is smaller than the sum of its proper divisors (631715370).

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

405315030 is a wasteful number, since it uses less digits than its factorization.

405315030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 405315030 is about 20132.4372593087. The cubic root of 405315030 is about 740.0554073439.

Adding to 405315030 its reverse (30513504), we get a palindrome (435828534).

The spelling of 405315030 in words is "four hundred five million, three hundred fifteen thousand, thirty".