64941738879360 has 512 divisors, whose sum is σ = 254822520913920. Its totient is φ = 13740425994240.

The previous prime is 64941738879359. The next prime is 64941738879379. The reversal of 64941738879360 is 6397883714946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6194239 + ... + 12971201.

It is an arithmetic number, because the mean of its divisors is an integer number (497700236160).

Almost surely, 2^{64941738879360} is an apocalyptic number.

64941738879360 is a gapful number since it is divisible by the number (60) 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 64941738879360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127411260456960).

64941738879360 is an abundant number, since it is smaller than the sum of its proper divisors (189880782034560).

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

64941738879360 is a wasteful number, since it uses less digits than its factorization.

64941738879360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777046 (or 6777034 counting only the distinct ones).

The product of its (nonzero) digits is 1316818944, while the sum is 75.

The spelling of 64941738879360 in words is "sixty-four trillion, nine hundred forty-one billion, seven hundred thirty-eight million, eight hundred seventy-nine thousand, three hundred sixty".