405125064635 has 32 divisors (see below), whose sum is σ = 555649165440. Its totient is φ = 281711761408.

The previous prime is 405125064629. The next prime is 405125064647. The reversal of 405125064635 is 536460521504.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 405125064635 - 2⁶ = 405125064571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405125064592 and 405125064601.

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, 3516152 + ... + 3629541.

It is an arithmetic number, because the mean of its divisors is an integer number (17364036420).

Almost surely, 2^405125064635 is an apocalyptic number.

405125064635 is a deficient number, since it is larger than the sum of its proper divisors (150524100805).

405125064635 is a wasteful number, since it uses less digits than its factorization.

405125064635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145767.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 405125064635 in words is "four hundred five billion, one hundred twenty-five million, sixty-four thousand, six hundred thirty-five".