60644868480 has 896 divisors, whose sum is σ = 256863744000. Its totient is φ = 13392138240.

The previous prime is 60644868443. The next prime is 60644868481. The reversal of 60644868480 is 8486844606.

60644868480 is a `hidden beast` number, since 6 + 0 + 6 + 4 + 486 + 84 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60644868481) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 101243221 + ... + 101243819.

Almost surely, 2^60644868480 is an apocalyptic number.

60644868480 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 60644868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128431872000).

60644868480 is an abundant number, since it is smaller than the sum of its proper divisors (196218875520).

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

60644868480 is an equidigital number, since it uses as much as digits as its factorization.

60644868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 60644868480 in words is "sixty billion, six hundred forty-four million, eight hundred sixty-eight thousand, four hundred eighty".