401345011 has 4 divisors (see below), whose sum is σ = 401594224. Its totient is φ = 401095800.

The previous prime is 401344997. The next prime is 401345033. The reversal of 401345011 is 110543104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401345011 is a prime.

It is a super-3 number, since 3×401345011³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401345011.

It is not an unprimeable number, because it can be changed into a prime (401345111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122175 + ... + 125416.

It is an arithmetic number, because the mean of its divisors is an integer number (100398556).

Almost surely, 2^401345011 is an apocalyptic number.

401345011 is a deficient number, since it is larger than the sum of its proper divisors (249213).

401345011 is a wasteful number, since it uses less digits than its factorization.

401345011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249212.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401345011 is about 20033.5970559458. The cubic root of 401345011 is about 737.6312196275.

Adding to 401345011 its reverse (110543104), we get a palindrome (511888115).

The spelling of 401345011 in words is "four hundred one million, three hundred forty-five thousand, eleven".