2549885520 has 360 divisors, whose sum is σ = 9964692576. Its totient is φ = 537578496.

The previous prime is 2549885477. The next prime is 2549885521. The reversal of 2549885520 is 255889452.

2549885520 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2549885520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549885521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1986799 + ... + 1988081.

Almost surely, 2^2549885520 is an apocalyptic number.

2549885520 is a gapful number since it is divisible by the number (20) 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 2549885520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4982346288).

2549885520 is an abundant number, since it is smaller than the sum of its proper divisors (7414807056).

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

2549885520 is a wasteful number, since it uses less digits than its factorization.

2549885520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 2549885520 is about 50496.3911581808. The cubic root of 2549885520 is about 1366.1767630019.

The spelling of 2549885520 in words is "two billion, five hundred forty-nine million, eight hundred eighty-five thousand, five hundred twenty".