2549502648 has 512 divisors, whose sum is σ = 9555148800. Its totient is φ = 609638400.

The previous prime is 2549502623. The next prime is 2549502653. The reversal of 2549502648 is 8462059452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20074761 + ... + 20074887.

It is an arithmetic number, because the mean of its divisors is an integer number (18662400).

Almost surely, 2^2549502648 is an apocalyptic number.

2549502648 is a gapful number since it is divisible by the number (28) 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 2549502648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4777574400).

2549502648 is an abundant number, since it is smaller than the sum of its proper divisors (7005646152).

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

2549502648 is a wasteful number, since it uses less digits than its factorization.

2549502648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 2549502648 is about 50492.5999330595. The cubic root of 2549502648 is about 1366.1083812376.

The spelling of 2549502648 in words is "two billion, five hundred forty-nine million, five hundred two thousand, six hundred forty-eight".