2499557984 has 72 divisors (see below), whose sum is σ = 6181825104. Its totient is φ = 973843200.

The previous prime is 2499557947. The next prime is 2499557987. The reversal of 2499557984 is 4897559942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499557987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19007 + ... + 73214.

It is an arithmetic number, because the mean of its divisors is an integer number (85858682).

Almost surely, 2^2499557984 is an apocalyptic number.

It is an amenable number.

2499557984 is an abundant number, since it is smaller than the sum of its proper divisors (3682267120).

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

2499557984 is a wasteful number, since it uses less digits than its factorization.

2499557984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92260 (or 92241 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 62.

The square root of 2499557984 is about 49995.5796446046. The cubic root of 2499557984 is about 1357.1288158484.

The spelling of 2499557984 in words is "two billion, four hundred ninety-nine million, five hundred fifty-seven thousand, nine hundred eighty-four".