400411011 has 32 divisors (see below), whose sum is σ = 716825088. Its totient is φ = 192003840.

The previous prime is 400410943. The next prime is 400411049. The reversal of 400411011 is 110114004.

It is not a de Polignac number, because 400411011 - 2¹⁰ = 400409987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400411211) 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 31 ways as a sum of consecutive naturals, for example, 63666 + ... + 69671.

It is an arithmetic number, because the mean of its divisors is an integer number (22400784).

Almost surely, 2^400411011 is an apocalyptic number.

400411011 is a deficient number, since it is larger than the sum of its proper divisors (316414077).

400411011 is a wasteful number, since it uses less digits than its factorization.

400411011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133371.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 400411011 is about 20010.2726368233. The cubic root of 400411011 is about 737.0585762525.

Adding to 400411011 its reverse (110114004), we get a palindrome (510525015).

It can be divided in two parts, 4004 and 11011, that multiplied together give a palindrome (44088044).

The spelling of 400411011 in words is "four hundred million, four hundred eleven thousand, eleven".