405325434 has 32 divisors (see below), whose sum is σ = 840015360. Its totient is φ = 130248000.

The previous prime is 405325391. The next prime is 405325471. The reversal of 405325434 is 434523504.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45984 + ... + 54084.

It is an arithmetic number, because the mean of its divisors is an integer number (26250480).

Almost surely, 2^405325434 is an apocalyptic number.

405325434 is an abundant number, since it is smaller than the sum of its proper divisors (434689926).

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

405325434 is a wasteful number, since it uses less digits than its factorization.

405325434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8406.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 405325434 is about 20132.6956466341. The cubic root of 405325434 is about 740.0617394313.

Adding to 405325434 its reverse (434523504), we get a palindrome (839848938).

The spelling of 405325434 in words is "four hundred five million, three hundred twenty-five thousand, four hundred thirty-four".