5440142534 has 16 divisors (see below), whose sum is σ = 8251192320. Its totient is φ = 2689907400.

The previous prime is 5440142501. The next prime is 5440142537. The reversal of 5440142534 is 4352410445.

It is a self number, because there is not a number n which added to its sum of digits gives 5440142534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440142537) 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, 26957 + ... + 107735.

It is an arithmetic number, because the mean of its divisors is an integer number (515699520).

Almost surely, 2^5440142534 is an apocalyptic number.

5440142534 is a deficient number, since it is larger than the sum of its proper divisors (2811049786).

5440142534 is a wasteful number, since it uses less digits than its factorization.

5440142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81155.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 5440142534 is about 73757.3219009476. The cubic root of 5440142534 is about 1758.7472289674.

Adding to 5440142534 its reverse (4352410445), we get a palindrome (9792552979).

The spelling of 5440142534 in words is "five billion, four hundred forty million, one hundred forty-two thousand, five hundred thirty-four".