654239384064 has 480 divisors, whose sum is σ = 2189062212480. Its totient is φ = 184246272000.

The previous prime is 654239384059. The next prime is 654239384093. The reversal of 654239384064 is 460483932456.

654239384064 is a `hidden beast` number, since 6 + 542 + 3 + 9 + 38 + 4 + 0 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 654239384064.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1332462859 + ... + 1332463349.

It is an arithmetic number, because the mean of its divisors is an integer number (4560546276).

Almost surely, 2^654239384064 is an apocalyptic number.

654239384064 is a gapful number since it is divisible by the number (64) 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 654239384064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094531106240).

654239384064 is an abundant number, since it is smaller than the sum of its proper divisors (1534822828416).

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

654239384064 is a wasteful number, since it uses less digits than its factorization.

654239384064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 654239384064 in words is "six hundred fifty-four billion, two hundred thirty-nine million, three hundred eighty-four thousand, sixty-four".