5856247440 has 120 divisors (see below), whose sum is σ = 19681349688. Its totient is φ = 1560545280.

The previous prime is 5856247433. The next prime is 5856247451. The reversal of 5856247440 is 447426585.

5856247440 is a `hidden beast` number, since 5 + 8 + 562 + 47 + 4 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 404492544 + 5451754896 = 20112^2 + 73836^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1652070 + ... + 1655610.

Almost surely, 2^5856247440 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 5856247440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9840674844).

5856247440 is an abundant number, since it is smaller than the sum of its proper divisors (13825102248).

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

5856247440 is a wasteful number, since it uses less digits than its factorization.

5856247440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The square root of 5856247440 is about 76526.1225987571. The cubic root of 5856247440 is about 1802.4911433381.

The spelling of 5856247440 in words is "five billion, eight hundred fifty-six million, two hundred forty-seven thousand, four hundred forty".