405124120142432 has 48 divisors (see below), whose sum is σ = 806656226865552. Its totient is φ = 200263429201920.

The previous prime is 405124120142377. The next prime is 405124120142491. The reversal of 405124120142432 is 234241021421504.

It is a junction number, because it is equal to n+sod(n) for n = 405124120142392 and 405124120142401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65518694 + ... + 71434917.

It is an arithmetic number, because the mean of its divisors is an integer number (16805338059699).

Almost surely, 2^{405124120142432} is an apocalyptic number.

It is an amenable number.

405124120142432 is a deficient number, since it is larger than the sum of its proper divisors (401532106723120).

405124120142432 is a wasteful number, since it uses less digits than its factorization.

405124120142432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136954671 (or 136954663 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 405124120142432 its reverse (234241021421504), we get a palindrome (639365141563936).

The spelling of 405124120142432 in words is "four hundred five trillion, one hundred twenty-four billion, one hundred twenty million, one hundred forty-two thousand, four hundred thirty-two".