5442140321 has 4 divisors (see below), whose sum is σ = 5443349652. Its totient is φ = 5440930992.

The previous prime is 5442140309. The next prime is 5442140339. The reversal of 5442140321 is 1230412445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1251390625 + 4190749696 = 35375^2 + 64736^2 .

It is a cyclic number.

It is not a de Polignac number, because 5442140321 - 2⁶ = 5442140257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5442140381) 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, 597890 + ... + 606923.

It is an arithmetic number, because the mean of its divisors is an integer number (1360837413).

Almost surely, 2^5442140321 is an apocalyptic number.

It is an amenable number.

5442140321 is a deficient number, since it is larger than the sum of its proper divisors (1209331).

5442140321 is a wasteful number, since it uses less digits than its factorization.

5442140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209330.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5442140321 is about 73770.8636319245. The cubic root of 5442140321 is about 1758.9624912401.

Adding to 5442140321 its reverse (1230412445), we get a palindrome (6672552766).

The spelling of 5442140321 in words is "five billion, four hundred forty-two million, one hundred forty thousand, three hundred twenty-one".