5401440043 has 2 divisors, whose sum is σ = 5401440044. Its totient is φ = 5401440042.

The previous prime is 5401439987. The next prime is 5401440049. The reversal of 5401440043 is 3400441045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5401440043 - 2¹³ = 5401431851 is a prime.

It is not a weakly prime, because it can be changed into another prime (5401440049) 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, 2700720021 + 2700720022.

It is an arithmetic number, because the mean of its divisors is an integer number (2700720022).

Almost surely, 2^5401440043 is an apocalyptic number.

5401440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401440043 is an equidigital number, since it uses as much as digits as its factorization.

5401440043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5401440043 is about 73494.4898818952. The cubic root of 5401440043 is about 1754.5665813364.

Adding to 5401440043 its reverse (3400441045), we get a palindrome (8801881088).

The spelling of 5401440043 in words is "five billion, four hundred one million, four hundred forty thousand, forty-three".