400110201 has 12 divisors (see below), whose sum is σ = 590234112. Its totient is φ = 261064536.

The previous prime is 400110199. The next prime is 400110203. The reversal of 400110201 is 102011004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400110199) and next prime (400110203).

It is not a de Polignac number, because 400110201 - 2¹ = 400110199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (400110203) 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 11 ways as a sum of consecutive naturals, for example, 472521 + ... + 473366.

It is an arithmetic number, because the mean of its divisors is an integer number (49186176).

Almost surely, 2^400110201 is an apocalyptic number.

It is an amenable number.

400110201 is a deficient number, since it is larger than the sum of its proper divisors (190123911).

400110201 is a wasteful number, since it uses less digits than its factorization.

400110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945940 (or 945937 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 400110201 is about 20002.7548352721. The cubic root of 400110201 is about 736.8739575077.

Adding to 400110201 its reverse (102011004), we get a palindrome (502121205).

The spelling of 400110201 in words is "four hundred million, one hundred ten thousand, two hundred one".