405455241 has 4 divisors (see below), whose sum is σ = 540606992. Its totient is φ = 270303492.

The previous prime is 405455233. The next prime is 405455243. The reversal of 405455241 is 142554504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 405455241 - 2³ = 405455233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405455199 and 405455208.

It is not an unprimeable number, because it can be changed into a prime (405455243) by changing a digit.

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, 67575871 + ... + 67575876.

It is an arithmetic number, because the mean of its divisors is an integer number (135151748).

Almost surely, 2^405455241 is an apocalyptic number.

It is an amenable number.

405455241 is a deficient number, since it is larger than the sum of its proper divisors (135151751).

405455241 is a wasteful number, since it uses less digits than its factorization.

405455241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135151750.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 405455241 is about 20135.9191744504. The cubic root of 405455241 is about 740.1407335209.

It can be divided in two parts, 4054 and 55241, that added together give a palindrome (59295).

The spelling of 405455241 in words is "four hundred five million, four hundred fifty-five thousand, two hundred forty-one".