64468744704 has 240 divisors, whose sum is σ = 228999843072. Its totient is φ = 17002635264.

The previous prime is 64468744651. The next prime is 64468744763. The reversal of 64468744704 is 40744786446.

64468744704 is a `hidden beast` number, since 6 + 44 + 68 + 74 + 470 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342457 + ... + 496199.

Almost surely, 2^64468744704 is an apocalyptic number.

64468744704 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 64468744704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114499921536).

64468744704 is an abundant number, since it is smaller than the sum of its proper divisors (164531098368).

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

64468744704 is a wasteful number, since it uses less digits than its factorization.

64468744704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153787 (or 153768 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 54.

The spelling of 64468744704 in words is "sixty-four billion, four hundred sixty-eight million, seven hundred forty-four thousand, seven hundred four".