5439329280 has 1056 divisors, whose sum is σ = 24866628480. Its totient is φ = 1114767360.

The previous prime is 5439329279. The next prime is 5439329293. The reversal of 5439329280 is 829239345.

It is a happy number.

5439329280 is a `hidden beast` number, since 5 + 43 + 9 + 329 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74511324 + ... + 74511396.

Almost surely, 2^5439329280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5439329280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12433314240).

5439329280 is an abundant number, since it is smaller than the sum of its proper divisors (19427299200).

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

5439329280 is a wasteful number, since it uses less digits than its factorization.

5439329280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 5439329280 is about 73751.8086557882. The cubic root of 5439329280 is about 1758.6595854612.

The spelling of 5439329280 in words is "five billion, four hundred thirty-nine million, three hundred twenty-nine thousand, two hundred eighty".