405444141 has 12 divisors (see below), whose sum is σ = 588095040. Its totient is φ = 269163720.

The previous prime is 405444107. The next prime is 405444167. The reversal of 405444141 is 141444504.

405444141 is a `hidden beast` number, since 40 + 544 + 41 + 41 = 666.

It is not a de Polignac number, because 405444141 - 2⁶ = 405444077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405444341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92095 + ... + 96396.

It is an arithmetic number, because the mean of its divisors is an integer number (49007920).

Almost surely, 2^405444141 is an apocalyptic number.

It is an amenable number.

405444141 is a deficient number, since it is larger than the sum of its proper divisors (182650899).

405444141 is a wasteful number, since it uses less digits than its factorization.

405444141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188736 (or 188733 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 405444141 is about 20135.6435457127. The cubic root of 405444141 is about 740.1339792717.

Adding to 405444141 its reverse (141444504), we get a palindrome (546888645).

The spelling of 405444141 in words is "four hundred five million, four hundred forty-four thousand, one hundred forty-one".