401181306 has 32 divisors (see below), whose sum is σ = 831798720. Its totient is φ = 128889216.

The previous prime is 401181289. The next prime is 401181349. The reversal of 401181306 is 603181104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15310 + ... + 32198.

It is an arithmetic number, because the mean of its divisors is an integer number (25993710).

Almost surely, 2^401181306 is an apocalyptic number.

401181306 is an abundant number, since it is smaller than the sum of its proper divisors (430617414).

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

401181306 is a wasteful number, since it uses less digits than its factorization.

401181306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 401181306 is about 20029.5108777024. The cubic root of 401181306 is about 737.5309149542.

The spelling of 401181306 in words is "four hundred one million, one hundred eighty-one thousand, three hundred six".