2489539320 has 512 divisors, whose sum is σ = 9256550400. Its totient is φ = 593049600.

The previous prime is 2489539303. The next prime is 2489539331. The reversal of 2489539320 is 239359842.

It is a happy number.

2489539320 is a `hidden beast` number, since 2 + 4 + 89 + 539 + 32 + 0 = 666.

2489539320 is digitally balanced in base 2, because in such base 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 (45).

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, 40812090 + ... + 40812150.

It is an arithmetic number, because the mean of its divisors is an integer number (18079200).

Almost surely, 2^2489539320 is an apocalyptic number.

2489539320 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 2489539320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4628275200).

2489539320 is an abundant number, since it is smaller than the sum of its proper divisors (6767011080).

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

2489539320 is a wasteful number, since it uses less digits than its factorization.

2489539320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2489539320 is about 49895.2835446398. The cubic root of 2489539320 is about 1355.3131849611.

The spelling of 2489539320 in words is "two billion, four hundred eighty-nine million, five hundred thirty-nine thousand, three hundred twenty".