405242602 has 32 divisors (see below), whose sum is σ = 662814720. Its totient is φ = 185114160.

The previous prime is 405242567. The next prime is 405242671. The reversal of 405242602 is 206242504.

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, 545043 + ... + 545785.

It is an arithmetic number, because the mean of its divisors is an integer number (20712960).

Almost surely, 2^405242602 is an apocalyptic number.

405242602 is a deficient number, since it is larger than the sum of its proper divisors (257572118).

405242602 is a wasteful number, since it uses less digits than its factorization.

405242602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 405242602 is about 20130.6383902747. The cubic root of 405242602 is about 740.0113231771.

The spelling of 405242602 in words is "four hundred five million, two hundred forty-two thousand, six hundred two".