2497992648 has 192 divisors, whose sum is σ = 7155319680. Its totient is φ = 722810880.

The previous prime is 2497992647. The next prime is 2497992677. The reversal of 2497992648 is 8462997942.

It is a junction number, because it is equal to n+sod(n) for n = 2497992591 and 2497992600.

It is not an unprimeable number, because it can be changed into a prime (2497992641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9017886 + ... + 9018162.

It is an arithmetic number, because the mean of its divisors is an integer number (37267290).

Almost surely, 2^2497992648 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 2497992648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3577659840).

2497992648 is an abundant number, since it is smaller than the sum of its proper divisors (4657327032).

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

2497992648 is a wasteful number, since it uses less digits than its factorization.

2497992648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 353 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 2497992648 is about 49979.9224489194. The cubic root of 2497992648 is about 1356.8454582551.

The spelling of 2497992648 in words is "two billion, four hundred ninety-seven million, nine hundred ninety-two thousand, six hundred forty-eight".