5440340442 has 16 divisors (see below), whose sum is σ = 11520721152. Its totient is φ = 1706773440.

The previous prime is 5440340441. The next prime is 5440340461. The reversal of 5440340442 is 2440430445.

It is not an unprimeable number, because it can be changed into a prime (5440340441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26668234 + ... + 26668437.

It is an arithmetic number, because the mean of its divisors is an integer number (720045072).

Almost surely, 2^5440340442 is an apocalyptic number.

5440340442 is an abundant number, since it is smaller than the sum of its proper divisors (6080380710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5440340442 is a wasteful number, since it uses less digits than its factorization.

5440340442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53336693.

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 5440340442 is about 73758.6635047030. The cubic root of 5440340442 is about 1758.7685559776.

Adding to 5440340442 its reverse (2440430445), we get a palindrome (7880770887).

The spelling of 5440340442 in words is "five billion, four hundred forty million, three hundred forty thousand, four hundred forty-two".