5464432144 has 20 divisors (see below), whose sum is σ = 10696488124. Its totient is φ = 2704048128.

The previous prime is 5464432139. The next prime is 5464432147. The reversal of 5464432144 is 4412344645.

It can be written as a sum of positive squares in 2 ways, for example, as 4477215744 + 987216400 = 66912^2 + 31420^2 .

It is not an unprimeable number, because it can be changed into a prime (5464432147) 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, 1758897 + ... + 1762000.

Almost surely, 2^5464432144 is an apocalyptic number.

It is an amenable number.

5464432144 is a deficient number, since it is larger than the sum of its proper divisors (5232055980).

5464432144 is a wasteful number, since it uses less digits than its factorization.

5464432144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521002 (or 3520996 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

The square root of 5464432144 is about 73921.7974889680. The cubic root of 5464432144 is about 1761.3608775594.

Adding to 5464432144 its reverse (4412344645), we get a palindrome (9876776789).

The spelling of 5464432144 in words is "five billion, four hundred sixty-four million, four hundred thirty-two thousand, one hundred forty-four".