404164127524 has 6 divisors (see below), whose sum is σ = 707287223174. Its totient is φ = 202082063760.

The previous prime is 404164127513. The next prime is 404164127557. The reversal of 404164127524 is 425721461404.

It can be written as a sum of positive squares in only one way, i.e., 358381822500 + 45782305024 = 598650^2 + 213968^2 .

It is a super-2 number, since 2×404164127524² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520515937 + ... + 50520515944.

Almost surely, 2^404164127524 is an apocalyptic number.

It is an amenable number.

404164127524 is a deficient number, since it is larger than the sum of its proper divisors (303123095650).

404164127524 is a wasteful number, since it uses less digits than its factorization.

404164127524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101041031885 (or 101041031883 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

Adding to 404164127524 its reverse (425721461404), we get a palindrome (829885588928).

The spelling of 404164127524 in words is "four hundred four billion, one hundred sixty-four million, one hundred twenty-seven thousand, five hundred twenty-four".