2481239520 has 192 divisors, whose sum is σ = 8849010240. Its totient is φ = 649119744.

The previous prime is 2481239491. The next prime is 2481239543. The reversal of 2481239520 is 259321842.

It is a happy number.

2481239520 is a `hidden beast` number, since 2 + 4 + 8 + 123 + 9 + 520 = 666.

2481239520 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223542 + ... + 234378.

It is an arithmetic number, because the mean of its divisors is an integer number (46088595).

Almost surely, 2^2481239520 is an apocalyptic number.

2481239520 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 2481239520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4424505120).

2481239520 is an abundant number, since it is smaller than the sum of its proper divisors (6367770720).

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

2481239520 is a wasteful number, since it uses less digits than its factorization.

2481239520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914 (or 10900 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2481239520 is about 49812.0419175926. The cubic root of 2481239520 is about 1353.8053621822.

The spelling of 2481239520 in words is "two billion, four hundred eighty-one million, two hundred thirty-nine thousand, five hundred twenty".