405450361 has 8 divisors (see below), whose sum is σ = 408124800. Its totient is φ = 402782688.

The previous prime is 405450359. The next prime is 405450377. The reversal of 405450361 is 163054504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405450361 - 2¹ = 405450359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405450061) 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, 175365 + ... + 177661.

It is an arithmetic number, because the mean of its divisors is an integer number (51015600).

Almost surely, 2^405450361 is an apocalyptic number.

It is an amenable number.

405450361 is a deficient number, since it is larger than the sum of its proper divisors (2674439).

405450361 is a wasteful number, since it uses less digits than its factorization.

405450361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 405450361 is about 20135.7979975962. The cubic root of 405450361 is about 740.1377641004.

The spelling of 405450361 in words is "four hundred five million, four hundred fifty thousand, three hundred sixty-one".