405253066 has 8 divisors (see below), whose sum is σ = 609467904. Its totient is φ = 202097100.

The previous prime is 405253039. The next prime is 405253067. The reversal of 405253066 is 660352504.

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

It is not an unprimeable number, because it can be changed into a prime (405253067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263760 + ... + 265291.

It is an arithmetic number, because the mean of its divisors is an integer number (76183488).

Almost surely, 2^405253066 is an apocalyptic number.

405253066 is a deficient number, since it is larger than the sum of its proper divisors (204214838).

405253066 is a wasteful number, since it uses less digits than its factorization.

405253066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529436.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 405253066 is about 20130.8982909358. The cubic root of 405253066 is about 740.0176925402.

The spelling of 405253066 in words is "four hundred five million, two hundred fifty-three thousand, sixty-six".