64701044496 has 405 divisors, whose sum is σ = 208436380789. Its totient is φ = 18721190400.

The previous prime is 64701044483. The next prime is 64701044519. The reversal of 64701044496 is 69444010746.

The square root of 64701044496 is 254364.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3117658896 + 61583385600 = 55836^2 + 248160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1376617945 + ... + 1376617991.

Almost surely, 2^64701044496 is an apocalyptic number.

64701044496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64701044496 is the 254364-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64701044496

64701044496 is an abundant number, since it is smaller than the sum of its proper divisors (143735336293).

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

64701044496 is a wasteful number, since it uses less digits than its factorization.

64701044496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 64701044496 in words is "sixty-four billion, seven hundred one million, forty-four thousand, four hundred ninety-six".