2549745024 has 64 divisors (see below), whose sum is σ = 6798781440. Its totient is φ = 846649856.

The previous prime is 2549745019. The next prime is 2549745053. The reversal of 2549745024 is 4205479452.

It is a happy number.

It is a Cunningham number, because it is equal to 50495²-1.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88369 + ... + 113615.

It is an arithmetic number, because the mean of its divisors is an integer number (106230960).

Almost surely, 2^2549745024 is an apocalyptic number.

2549745024 is a gapful number since it is divisible by the number (24) 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 2549745024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3399390720).

2549745024 is an abundant number, since it is smaller than the sum of its proper divisors (4249036416).

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

2549745024 is a wasteful number, since it uses less digits than its factorization.

2549745024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25527 (or 25515 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2549745024 is about 50494.9999900980. Note that the first 5 decimals coincide. The cubic root of 2549745024 is about 1366.1516709086.

The spelling of 2549745024 in words is "two billion, five hundred forty-nine million, seven hundred forty-five thousand, twenty-four".