64786481490024 has 384 divisors, whose sum is σ = 206336749731840. Its totient is φ = 17981873634816.

The previous prime is 64786481489981. The next prime is 64786481490037. The reversal of 64786481490024 is 42009418468746.

64786481490024 is a `hidden beast` number, since 6 + 4 + 7 + 8 + 64 + 81 + 490 + 0 + 2 + 4 = 666.

64786481490024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 8049005²-1.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1706370289 + ... + 1706408255.

It is an arithmetic number, because the mean of its divisors is an integer number (537335285760).

Almost surely, 2^{64786481490024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64786481490024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103168374865920).

64786481490024 is an abundant number, since it is smaller than the sum of its proper divisors (141550268241816).

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

64786481490024 is a wasteful number, since it uses less digits than its factorization.

64786481490024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38669 (or 38662 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 64786481490024 in words is "sixty-four trillion, seven hundred eighty-six billion, four hundred eighty-one million, four hundred ninety thousand, twenty-four".