405513233044 has 12 divisors (see below), whose sum is σ = 711042362100. Its totient is φ = 202358272448.

The previous prime is 405513233009. The next prime is 405513233089. The reversal of 405513233044 is 440332315504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 228388410000 + 177124823044 = 477900^2 + 420862^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99583729 + ... + 99587800.

It is an arithmetic number, because the mean of its divisors is an integer number (59253530175).

Almost surely, 2^405513233044 is an apocalyptic number.

It is an amenable number.

405513233044 is a deficient number, since it is larger than the sum of its proper divisors (305529129056).

405513233044 is a wasteful number, since it uses less digits than its factorization.

405513233044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199172042 (or 199172040 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 405513233044 its reverse (440332315504), we get a palindrome (845845548548).

The spelling of 405513233044 in words is "four hundred five billion, five hundred thirteen million, two hundred thirty-three thousand, forty-four".