405124352432 has 20 divisors (see below), whose sum is σ = 798232306440. Its totient is φ = 199128918528.

The previous prime is 405124352411. The next prime is 405124352449. The reversal of 405124352432 is 234253421504.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 405124352392 and 405124352401.

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, 214577633 + ... + 214579520.

It is an arithmetic number, because the mean of its divisors is an integer number (39911615322).

Almost surely, 2^405124352432 is an apocalyptic number.

It is an amenable number.

405124352432 is a deficient number, since it is larger than the sum of its proper divisors (393107954008).

405124352432 is a wasteful number, since it uses less digits than its factorization.

405124352432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429157220 (or 429157214 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 405124352432 its reverse (234253421504), we get a palindrome (639377773936).

The spelling of 405124352432 in words is "four hundred five billion, one hundred twenty-four million, three hundred fifty-two thousand, four hundred thirty-two".