406535404525 has 48 divisors (see below), whose sum is σ = 557525030400. Its totient is φ = 292671912960.

The previous prime is 406535404489. The next prime is 406535404531. The reversal of 406535404525 is 525404535604.

It is not a de Polignac number, because 406535404525 - 2¹⁹ = 406534880237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1109356 + ... + 1429594.

It is an arithmetic number, because the mean of its divisors is an integer number (11615104800).

Almost surely, 2^406535404525 is an apocalyptic number.

It is an amenable number.

406535404525 is a deficient number, since it is larger than the sum of its proper divisors (150989625875).

406535404525 is a wasteful number, since it uses less digits than its factorization.

406535404525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320398 (or 320393 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 406535404525 in words is "four hundred six billion, five hundred thirty-five million, four hundred four thousand, five hundred twenty-five".