5439135744 has 280 divisors, whose sum is σ = 18586447968. Its totient is φ = 1552711680.

The previous prime is 5439135739. The next prime is 5439135787. The reversal of 5439135744 is 4475319345.

5439135744 is a `hidden beast` number, since 543 + 9 + 1 + 35 + 74 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5439135744.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4644279 + ... + 4645449.

Almost surely, 2^5439135744 is an apocalyptic number.

5439135744 is a gapful number since it is divisible by the number (54) 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 5439135744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9293223984).

5439135744 is an abundant number, since it is smaller than the sum of its proper divisors (13147312224).

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

5439135744 is an equidigital number, since it uses as much as digits as its factorization.

5439135744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1183 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 5439135744 is about 73750.4965678198. The cubic root of 5439135744 is about 1758.6387270084.

The spelling of 5439135744 in words is "five billion, four hundred thirty-nine million, one hundred thirty-five thousand, seven hundred forty-four".