2499340536 has 384 divisors, whose sum is σ = 8931686400. Its totient is φ = 635921280.

The previous prime is 2499340511. The next prime is 2499340549. The reversal of 2499340536 is 6350439942.

2499340536 is a `hidden beast` number, since 24 + 9 + 93 + 4 + 0 + 536 = 666.

It is a super-2 number, since 2×2499340536² = 12493406229785534592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2499340491 and 2499340500.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 8831451 + ... + 8831733.

It is an arithmetic number, because the mean of its divisors is an integer number (23259600).

Almost surely, 2^2499340536 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 2499340536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4465843200).

2499340536 is an abundant number, since it is smaller than the sum of its proper divisors (6432345864).

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

2499340536 is a wasteful number, since it uses less digits than its factorization.

2499340536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 2499340536 is about 49993.4049250499. The cubic root of 2499340536 is about 1357.0894604228.

The spelling of 2499340536 in words is "two billion, four hundred ninety-nine million, three hundred forty thousand, five hundred thirty-six".