405542114 has 8 divisors (see below), whose sum is σ = 619790940. Its totient is φ = 198945136.

The previous prime is 405542107. The next prime is 405542129. The reversal of 405542114 is 411245504.

It can be written as a sum of positive squares in 2 ways, for example, as 320589025 + 84953089 = 17905^2 + 9217^2 .

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

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, 1912829 + ... + 1913040.

Almost surely, 2^405542114 is an apocalyptic number.

405542114 is a deficient number, since it is larger than the sum of its proper divisors (214248826).

405542114 is a wasteful number, since it uses less digits than its factorization.

405542114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825924.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 405542114 is about 20138.0762239098. The cubic root of 405542114 is about 740.1935906946.

Adding to 405542114 its reverse (411245504), we get a palindrome (816787618).

The spelling of 405542114 in words is "four hundred five million, five hundred forty-two thousand, one hundred fourteen".