5430444240 has 80 divisors (see below), whose sum is σ = 18129339648. Its totient is φ = 1336723968.

The previous prime is 5430444209. The next prime is 5430444241. The reversal of 5430444240 is 424440345.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5430444198 and 5430444207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430444241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867144 + ... + 873383.

Almost surely, 2^5430444240 is an apocalyptic number.

It is an amenable number.

5430444240 is an abundant number, since it is smaller than the sum of its proper divisors (12698895408).

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

5430444240 is a wasteful number, since it uses less digits than its factorization.

5430444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740556 (or 1740550 counting only the distinct ones).

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

The square root of 5430444240 is about 73691.5479549724. The cubic root of 5430444240 is about 1757.7014846970.

Adding to 5430444240 its reverse (424440345), we get a palindrome (5854884585).

The spelling of 5430444240 in words is "five billion, four hundred thirty million, four hundred forty-four thousand, two hundred forty".