405452234 has 16 divisors (see below), whose sum is σ = 692314560. Its totient is φ = 176283360.

The previous prime is 405452213. The next prime is 405452251. The reversal of 405452234 is 432254504.

It is a junction number, because it is equal to n+sod(n) for n = 405452197 and 405452206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400139 + ... + 401150.

It is an arithmetic number, because the mean of its divisors is an integer number (43269660).

Almost surely, 2^405452234 is an apocalyptic number.

405452234 is a deficient number, since it is larger than the sum of its proper divisors (286862326).

405452234 is a wasteful number, since it uses less digits than its factorization.

405452234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801325.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 405452234 is about 20135.8445067496. The cubic root of 405452234 is about 740.1389038009.

The spelling of 405452234 in words is "four hundred five million, four hundred fifty-two thousand, two hundred thirty-four".