406571545175604 has 12 divisors (see below), whose sum is σ = 948666938743104. Its totient is φ = 135523848391864.

The previous prime is 406571545175603. The next prime is 406571545175617.

It is a happy number.

406571545175604 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406571545175603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16940481048972 + ... + 16940481048995.

It is an arithmetic number, because the mean of its divisors is an integer number (79055578228592).

Almost surely, 2^{406571545175604} is an apocalyptic number.

It is an amenable number.

406571545175604 is an abundant number, since it is smaller than the sum of its proper divisors (542095393567500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406571545175604 is a wasteful number, since it uses less digits than its factorization.

406571545175604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33880962097974 (or 33880962097972 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 60.

The spelling of 406571545175604 in words is "four hundred six trillion, five hundred seventy-one billion, five hundred forty-five million, one hundred seventy-five thousand, six hundred four".