5439802368 has 704 divisors, whose sum is σ = 20468689920. Its totient is φ = 1238630400.

The previous prime is 5439802367. The next prime is 5439802451. The reversal of 5439802368 is 8632089345.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (5439802363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89177058 + ... + 89177118.

Almost surely, 2^5439802368 is an apocalyptic number.

5439802368 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5439802368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10234344960).

5439802368 is an abundant number, since it is smaller than the sum of its proper divisors (15028887552).

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

5439802368 is a wasteful number, since it uses less digits than its factorization.

5439802368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 5439802368 is about 73755.0158836672. The cubic root of 5439802368 is about 1758.7105707073.

The spelling of 5439802368 in words is "five billion, four hundred thirty-nine million, eight hundred two thousand, three hundred sixty-eight".