405064167609 has 16 divisors (see below), whose sum is σ = 575363621952. Its totient is φ = 252598652928.

The previous prime is 405064167589. The next prime is 405064167611. The reversal of 405064167609 is 906761460504.

It is not a de Polignac number, because 405064167609 - 2⁵ = 405064167577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405064167649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24354984 + ... + 24371609.

It is an arithmetic number, because the mean of its divisors is an integer number (35960226372).

Almost surely, 2^405064167609 is an apocalyptic number.

It is an amenable number.

405064167609 is a deficient number, since it is larger than the sum of its proper divisors (170299454343).

405064167609 is a wasteful number, since it uses less digits than its factorization.

405064167609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48726776.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 405064167609 in words is "four hundred five billion, sixty-four million, one hundred sixty-seven thousand, six hundred nine".