60705640944 has 320 divisors, whose sum is σ = 190387814400. Its totient is φ = 18518333184.

The previous prime is 60705640871. The next prime is 60705640951. The reversal of 60705640944 is 44904650706.

It is a super-2 number, since 2×60705640944² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60705640944.

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, 158500177 + ... + 158500559.

It is an arithmetic number, because the mean of its divisors is an integer number (594961920).

Almost surely, 2^60705640944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60705640944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95193907200).

60705640944 is an abundant number, since it is smaller than the sum of its proper divisors (129682173456).

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

60705640944 is a wasteful number, since it uses less digits than its factorization.

60705640944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 60705640944 in words is "sixty billion, seven hundred five million, six hundred forty thousand, nine hundred forty-four".