2499565824 has 288 divisors, whose sum is σ = 8895488000. Its totient is φ = 676325376.

The previous prime is 2499565823. The next prime is 2499565841. The reversal of 2499565824 is 4285659942.

2499565824 is a `hidden beast` number, since 2 + 4 + 9 + 9 + 56 + 582 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is not an unprimeable number, because it can be changed into a prime (2499565823) by changing a digit.

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, 917937 + ... + 920655.

Almost surely, 2^2499565824 is an apocalyptic number.

2499565824 is a gapful number since it is divisible by the number (24) 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 2499565824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4447744000).

2499565824 is an abundant number, since it is smaller than the sum of its proper divisors (6395922176).

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

2499565824 is a wasteful number, since it uses less digits than its factorization.

2499565824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2750 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 2499565824 is about 49995.6580514748. The cubic root of 2499565824 is about 1357.1302347498.

The spelling of 2499565824 in words is "two billion, four hundred ninety-nine million, five hundred sixty-five thousand, eight hundred twenty-four".