405541452 has 24 divisors (see below), whose sum is σ = 978894000. Its totient is φ = 130518976.

The previous prime is 405541429. The next prime is 405541457. The reversal of 405541452 is 254145504.

It is not an unprimeable number, because it can be changed into a prime (405541457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582327 + ... + 583022.

It is an arithmetic number, because the mean of its divisors is an integer number (40787250).

Almost surely, 2^405541452 is an apocalyptic number.

It is an amenable number.

405541452 is an abundant number, since it is smaller than the sum of its proper divisors (573352548).

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

405541452 is a wasteful number, since it uses less digits than its factorization.

405541452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165385 (or 1165383 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 405541452 is about 20138.0597873777. The cubic root of 405541452 is about 740.1931879346.

Adding to 405541452 its reverse (254145504), we get a palindrome (659686956).

The spelling of 405541452 in words is "four hundred five million, five hundred forty-one thousand, four hundred fifty-two".