402450605 has 16 divisors (see below), whose sum is σ = 512443584. Its totient is φ = 302373120.

The previous prime is 402450599. The next prime is 402450617. The reversal of 402450605 is 506054204.

It is not a de Polignac number, because 402450605 - 2¹⁰ = 402449581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36914 + ... + 46556.

It is an arithmetic number, because the mean of its divisors is an integer number (32027724).

Almost surely, 2^402450605 is an apocalyptic number.

It is an amenable number.

402450605 is a deficient number, since it is larger than the sum of its proper divisors (109992979).

402450605 is a wasteful number, since it uses less digits than its factorization.

402450605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 402450605 is about 20061.1715759574. The cubic root of 402450605 is about 738.3079216569.

The spelling of 402450605 in words is "four hundred two million, four hundred fifty thousand, six hundred five".