401136066 has 12 divisors (see below), whose sum is σ = 869128182. Its totient is φ = 133712016.

The previous prime is 401136059. The next prime is 401136079. The reversal of 401136066 is 660631104.

401136066 is a `hidden beast` number, since 40 + 1 + 13 + 606 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 398840841 + 2295225 = 19971^2 + 1515^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11142651 + ... + 11142686.

Almost surely, 2^401136066 is an apocalyptic number.

401136066 is an abundant number, since it is smaller than the sum of its proper divisors (467992116).

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

401136066 is a wasteful number, since it uses less digits than its factorization.

401136066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285345 (or 22285342 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 401136066 is about 20028.3815122441. The cubic root of 401136066 is about 737.5031908700.

The spelling of 401136066 in words is "four hundred one million, one hundred thirty-six thousand, sixty-six".