406135447044 has 96 divisors (see below), whose sum is σ = 966578054400. Its totient is φ = 132698334720.

The previous prime is 406135447009. The next prime is 406135447063. The reversal of 406135447044 is 440744531604.

It is a junction number, because it is equal to n+sod(n) for n = 406135446987 and 406135447005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216373834 + ... + 216375710.

It is an arithmetic number, because the mean of its divisors is an integer number (10068521400).

Almost surely, 2^406135447044 is an apocalyptic number.

It is an amenable number.

406135447044 is an abundant number, since it is smaller than the sum of its proper divisors (560442607356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406135447044 is a wasteful number, since it uses less digits than its factorization.

406135447044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

Adding to 406135447044 its reverse (440744531604), we get a palindrome (846879978648).

The spelling of 406135447044 in words is "four hundred six billion, one hundred thirty-five million, four hundred forty-seven thousand, forty-four".