2481620064 has 192 divisors, whose sum is σ = 8207764992. Its totient is φ = 637747200.

The previous prime is 2481620051. The next prime is 2481620107. The reversal of 2481620064 is 4600261842.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 31 ways as a sum of consecutive naturals, for example, 715294 + ... + 718754.

It is an arithmetic number, because the mean of its divisors is an integer number (42748776).

Almost surely, 2^2481620064 is an apocalyptic number.

2481620064 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 2481620064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4103882496).

2481620064 is an abundant number, since it is smaller than the sum of its proper divisors (5726144928).

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

2481620064 is a wasteful number, since it uses less digits than its factorization.

2481620064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 2481620064 is about 49815.8615703874. The cubic root of 2481620064 is about 1353.8745690132.

The spelling of 2481620064 in words is "two billion, four hundred eighty-one million, six hundred twenty thousand, sixty-four".