400150441 has 2 divisors, whose sum is σ = 400150442. Its totient is φ = 400150440.

The previous prime is 400150427. The next prime is 400150451. The reversal of 400150441 is 144051004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356643225 + 43507216 = 18885^2 + 6596^2 .

It is a cyclic number.

It is not a de Polignac number, because 400150441 - 2⁵ = 400150409 is a prime.

It is not a weakly prime, because it can be changed into another prime (400150411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200075220 + 200075221.

It is an arithmetic number, because the mean of its divisors is an integer number (200075221).

Almost surely, 2^400150441 is an apocalyptic number.

It is an amenable number.

400150441 is a deficient number, since it is larger than the sum of its proper divisors (1).

400150441 is an equidigital number, since it uses as much as digits as its factorization.

400150441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 400150441 is about 20003.7606714338. The cubic root of 400150441 is about 736.8986597139.

The spelling of 400150441 in words is "four hundred million, one hundred fifty thousand, four hundred forty-one".