405125064634 has 8 divisors (see below), whose sum is σ = 607697801568. Its totient is φ = 202559130780.

The previous prime is 405125064629. The next prime is 405125064647. The reversal of 405125064634 is 436460521504.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1549192 + ... + 1791715.

It is an arithmetic number, because the mean of its divisors is an integer number (75962225196).

Almost surely, 2^405125064634 is an apocalyptic number.

405125064634 is a deficient number, since it is larger than the sum of its proper divisors (202572736934).

405125064634 is a wasteful number, since it uses less digits than its factorization.

405125064634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401540.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 405125064634 in words is "four hundred five billion, one hundred twenty-five million, sixty-four thousand, six hundred thirty-four".