405475068 has 24 divisors (see below), whose sum is σ = 949797072. Its totient is φ = 134631424.

The previous prime is 405475043. The next prime is 405475111. The reversal of 405475068 is 860574504.

It is a congruent number.

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, 62655 + ... + 68822.

It is an arithmetic number, because the mean of its divisors is an integer number (39574878).

Almost surely, 2^405475068 is an apocalyptic number.

It is an amenable number.

405475068 is an abundant number, since it is smaller than the sum of its proper divisors (544322004).

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

405475068 is a wasteful number, since it uses less digits than its factorization.

405475068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131741 (or 131739 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 405475068 is about 20136.4114975832. The cubic root of 405475068 is about 740.1527977634.

The spelling of 405475068 in words is "four hundred five million, four hundred seventy-five thousand, sixty-eight".