405994230 has 48 divisors (see below), whose sum is σ = 1058001984. Its totient is φ = 108017280.

The previous prime is 405994219. The next prime is 405994231. The reversal of 405994230 is 32499504.

405994230 is a `hidden beast` number, since 40 + 599 + 4 + 23 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405994231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36195 + ... + 46065.

It is an arithmetic number, because the mean of its divisors is an integer number (22041708).

Almost surely, 2^405994230 is an apocalyptic number.

405994230 is the 16452-nd pentagonal number.

405994230 is an abundant number, since it is smaller than the sum of its proper divisors (652007754).

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

405994230 is a wasteful number, since it uses less digits than its factorization.

405994230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341 (or 10338 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 405994230 is about 20149.2984989552. The cubic root of 405994230 is about 740.4685552164.

It can be divided in two parts, 4059 and 94230, that added together give a palindrome (98289).

The spelling of 405994230 in words is "four hundred five million, nine hundred ninety-four thousand, two hundred thirty".