401032011 has 16 divisors (see below), whose sum is σ = 549739008. Its totient is φ = 259855200.

The previous prime is 401032007. The next prime is 401032109. The reversal of 401032011 is 110230104.

It is a happy number.

It is not a de Polignac number, because 401032011 - 2² = 401032007 is a prime.

It is a super-3 number, since 3×401032011³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (401032001) 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 15 ways as a sum of consecutive naturals, for example, 206716 + ... + 208646.

It is an arithmetic number, because the mean of its divisors is an integer number (34358688).

Almost surely, 2^401032011 is an apocalyptic number.

401032011 is a deficient number, since it is larger than the sum of its proper divisors (148706997).

401032011 is a wasteful number, since it uses less digits than its factorization.

401032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 401032011 is about 20025.7836550783. The cubic root of 401032011 is about 737.4394157261.

Adding to 401032011 its reverse (110230104), we get a palindrome (511262115).

The spelling of 401032011 in words is "four hundred one million, thirty-two thousand, eleven".