5440269421 has 4 divisors (see below), whose sum is σ = 5464665472. Its totient is φ = 5415873372.

The previous prime is 5440269407. The next prime is 5440269427. The reversal of 5440269421 is 1249620445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5440269421 - 2¹⁹ = 5439745133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440269427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12197691 + ... + 12198136.

It is an arithmetic number, because the mean of its divisors is an integer number (1366166368).

Almost surely, 2^5440269421 is an apocalyptic number.

It is an amenable number.

5440269421 is a deficient number, since it is larger than the sum of its proper divisors (24396051).

5440269421 is a wasteful number, since it uses less digits than its factorization.

5440269421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24396050.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 5440269421 is about 73758.1820613822. The cubic root of 5440269421 is about 1758.7609026547.

Adding to 5440269421 its reverse (1249620445), we get a palindrome (6689889866).

The spelling of 5440269421 in words is "five billion, four hundred forty million, two hundred sixty-nine thousand, four hundred twenty-one".