5439937536 has 352 divisors, whose sum is σ = 18173429760. Its totient is φ = 1592524800.

The previous prime is 5439937513. The next prime is 5439937549. The reversal of 5439937536 is 6357399345.

5439937536 is a `hidden beast` number, since 543 + 9 + 93 + 7 + 5 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (9185400) is a multiple of the sum of its prime factors (648).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9427680 + ... + 9428256.

Almost surely, 2^5439937536 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 5439937536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9086714880).

5439937536 is an abundant number, since it is smaller than the sum of its proper divisors (12733492224).

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

5439937536 is a wasteful number, since it uses less digits than its factorization.

5439937536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 624 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 54.

The square root of 5439937536 is about 73755.9322088739. The cubic root of 5439937536 is about 1758.7251373775.

The spelling of 5439937536 in words is "five billion, four hundred thirty-nine million, nine hundred thirty-seven thousand, five hundred thirty-six".