64061414441472 has 240 divisors, whose sum is σ = 198557586893952. Its totient is φ = 18300446760960.

The previous prime is 64061414441467. The next prime is 64061414441489. The reversal of 64061414441472 is 27414441416046.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516474822 + ... + 516598842.

Almost surely, 2^{64061414441472} 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 64061414441472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99278793446976).

64061414441472 is an abundant number, since it is smaller than the sum of its proper divisors (134496172452480).

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

64061414441472 is a wasteful number, since it uses less digits than its factorization.

64061414441472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130919 (or 130896 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 64061414441472 in words is "sixty-four trillion, sixty-one billion, four hundred fourteen million, four hundred forty-one thousand, four hundred seventy-two".