2489742360 has 320 divisors, whose sum is σ = 9640350720. Its totient is φ = 564537600.

The previous prime is 2489742347. The next prime is 2489742391. The reversal of 2489742360 is 632479842.

2489742360 is a `hidden beast` number, since 248 + 9 + 7 + 42 + 360 = 666.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3424317 + ... + 3425043.

It is an arithmetic number, because the mean of its divisors is an integer number (30126096).

Almost surely, 2^2489742360 is an apocalyptic number.

2489742360 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 2489742360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4820175360).

2489742360 is an abundant number, since it is smaller than the sum of its proper divisors (7150608360).

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

2489742360 is a wasteful number, since it uses less digits than its factorization.

2489742360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2489742360 is about 49897.3181644064. The cubic root of 2489742360 is about 1355.3500291684.

The spelling of 2489742360 in words is "two billion, four hundred eighty-nine million, seven hundred forty-two thousand, three hundred sixty".