2497775616 has 336 divisors, whose sum is σ = 8593603200. Its totient is φ = 710664192.

The previous prime is 2497775543. The next prime is 2497775633. The reversal of 2497775616 is 6165777942.

2497775616 is a `hidden beast` number, since 2 + 4 + 9 + 7 + 77 + 561 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10450825 + ... + 10451063.

It is an arithmetic number, because the mean of its divisors is an integer number (25576200).

Almost surely, 2^2497775616 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 2497775616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4296801600).

2497775616 is an abundant number, since it is smaller than the sum of its proper divisors (6095827584).

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

2497775616 is an frugal number, since it uses more digits than its factorization.

2497775616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 251 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 2497775616 is about 49977.7512099134. The cubic root of 2497775616 is about 1356.8061617140.

The spelling of 2497775616 in words is "two billion, four hundred ninety-seven million, seven hundred seventy-five thousand, six hundred sixteen".