405353042 has 8 divisors (see below), whose sum is σ = 608254896. Its totient is φ = 202601412.

The previous prime is 405353033. The next prime is 405353071. The reversal of 405353042 is 240353504.

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

It is a super-2 number, since 2×405353042² = 328622177317307528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30548 + ... + 41759.

It is an arithmetic number, because the mean of its divisors is an integer number (76031862).

Almost surely, 2^405353042 is an apocalyptic number.

405353042 is a deficient number, since it is larger than the sum of its proper divisors (202901854).

405353042 is a wasteful number, since it uses less digits than its factorization.

405353042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75112.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 405353042 is about 20133.3812858149. The cubic root of 405353042 is about 740.0785417000.

The spelling of 405353042 in words is "four hundred five million, three hundred fifty-three thousand, forty-two".