405541412 has 6 divisors (see below), whose sum is σ = 709697478. Its totient is φ = 202770704.

The previous prime is 405541391. The next prime is 405541417. The reversal of 405541412 is 214145504.

It can be written as a sum of positive squares in only one way, i.e., 309971236 + 95570176 = 17606^2 + 9776^2 .

It is not an unprimeable number, because it can be changed into a prime (405541417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50692673 + ... + 50692680.

It is an arithmetic number, because the mean of its divisors is an integer number (118282913).

Almost surely, 2^405541412 is an apocalyptic number.

It is an amenable number.

405541412 is a deficient number, since it is larger than the sum of its proper divisors (304156066).

405541412 is a wasteful number, since it uses less digits than its factorization.

405541412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101385357 (or 101385355 counting only the distinct ones).

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

The square root of 405541412 is about 20138.0587942334. The cubic root of 405541412 is about 740.1931635986.

Adding to 405541412 its reverse (214145504), we get a palindrome (619686916).

The spelling of 405541412 in words is "four hundred five million, five hundred forty-one thousand, four hundred twelve".