405030516 has 96 divisors (see below), whose sum is σ = 1059125760. Its totient is φ = 119433600.

The previous prime is 405030497. The next prime is 405030517. The reversal of 405030516 is 615030504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405030517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020030 + ... + 1020426.

It is an arithmetic number, because the mean of its divisors is an integer number (11032560).

Almost surely, 2^405030516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405030516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529562880).

405030516 is an abundant number, since it is smaller than the sum of its proper divisors (654095244).

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

405030516 is a wasteful number, since it uses less digits than its factorization.

405030516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 405030516 is about 20125.3699593324. The cubic root of 405030516 is about 739.8822042837.

The spelling of 405030516 in words is "four hundred five million, thirty thousand, five hundred sixteen".