400414241 has 4 divisors (see below), whose sum is σ = 410180484. Its totient is φ = 390648000.

The previous prime is 400414211. The next prime is 400414247. The reversal of 400414241 is 142414004.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 241149841 + 159264400 = 15529^2 + 12620^2 .

It is not a de Polignac number, because 400414241 - 2¹⁴ = 400397857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400414247) 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, 4883060 + ... + 4883141.

It is an arithmetic number, because the mean of its divisors is an integer number (102545121).

Almost surely, 2^400414241 is an apocalyptic number.

400414241 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

400414241 is a deficient number, since it is larger than the sum of its proper divisors (9766243).

400414241 is an equidigital number, since it uses as much as digits as its factorization.

400414241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766242.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 400414241 is about 20010.3533452061. The cubic root of 400414241 is about 737.0605581267.

Adding to 400414241 its reverse (142414004), we get a palindrome (542828245).

The spelling of 400414241 in words is "four hundred million, four hundred fourteen thousand, two hundred forty-one".