64027745496 has 384 divisors, whose sum is σ = 210992221440. Its totient is φ = 17279308800.

The previous prime is 64027745477. The next prime is 64027745549. The reversal of 64027745496 is 69454772046.

64027745496 is a `hidden beast` number, since 6 + 4 + 0 + 27 + 74 + 549 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49904071 + ... + 49905353.

It is an arithmetic number, because the mean of its divisors is an integer number (549458910).

Almost surely, 2^64027745496 is an apocalyptic number.

64027745496 is a gapful number since it is divisible by the number (66) 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 64027745496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105496110720).

64027745496 is an abundant number, since it is smaller than the sum of its proper divisors (146964475944).

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

64027745496 is a wasteful number, since it uses less digits than its factorization.

64027745496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 64027745496 in words is "sixty-four billion, twenty-seven million, seven hundred forty-five thousand, four hundred ninety-six".