401433011 has 4 divisors (see below), whose sum is σ = 458780592. Its totient is φ = 344085432.

The previous prime is 401432989. The next prime is 401433023. The reversal of 401433011 is 110334104.

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

It is a cyclic number.

It is not a de Polignac number, because 401433011 - 2¹⁴ = 401416627 is a prime.

It is a super-2 number, since 2×401433011² = 322296924641052242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401433211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28673780 + ... + 28673793.

It is an arithmetic number, because the mean of its divisors is an integer number (114695148).

Almost surely, 2^401433011 is an apocalyptic number.

401433011 is a deficient number, since it is larger than the sum of its proper divisors (57347581).

401433011 is an equidigital number, since it uses as much as digits as its factorization.

401433011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57347580.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 401433011 is about 20035.7932460884. The cubic root of 401433011 is about 737.6851273643.

Adding to 401433011 its reverse (110334104), we get a palindrome (511767115).

The spelling of 401433011 in words is "four hundred one million, four hundred thirty-three thousand, eleven".