406435155 has 48 divisors (see below), whose sum is σ = 758813184. Its totient is φ = 185223360.

The previous prime is 406435109. The next prime is 406435177. The reversal of 406435155 is 551534604.

It is not a de Polignac number, because 406435155 - 2¹⁰ = 406434131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 316144 + ... + 317426.

It is an arithmetic number, because the mean of its divisors is an integer number (15808608).

Almost surely, 2^406435155 is an apocalyptic number.

406435155 is a deficient number, since it is larger than the sum of its proper divisors (352378029).

406435155 is a wasteful number, since it uses less digits than its factorization.

406435155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 406435155 is about 20160.2369777738. The cubic root of 406435155 is about 740.7365171322.

Adding to 406435155 its reverse (551534604), we get a palindrome (957969759).

The spelling of 406435155 in words is "four hundred six million, four hundred thirty-five thousand, one hundred fifty-five".