1440141401 has 2 divisors, whose sum is σ = 1440141402. Its totient is φ = 1440141400.

The previous prime is 1440141341. The next prime is 1440141403. The reversal of 1440141401 is 1041410441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1348652176 + 91489225 = 36724^2 + 9565^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440141401 - 2¹⁸ = 1439879257 is a prime.

Together with 1440141403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1440141403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720070700 + 720070701.

It is an arithmetic number, because the mean of its divisors is an integer number (720070701).

Almost surely, 2^1440141401 is an apocalyptic number.

It is an amenable number.

1440141401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440141401 is an equidigital number, since it uses as much as digits as its factorization.

1440141401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1440141401 is about 37949.1949980497. The cubic root of 1440141401 is about 1129.2801955129.

Adding to 1440141401 its reverse (1041410441), we get a palindrome (2481551842).

The spelling of 1440141401 in words is "one billion, four hundred forty million, one hundred forty-one thousand, four hundred one".