44187614064 has 120 divisors (see below), whose sum is σ = 134967401712. Its totient is φ = 13384104960.

The previous prime is 44187614039. The next prime is 44187614069. The reversal of 44187614064 is 46041678144.

44187614064 is a `hidden beast` number, since 4 + 4 + 187 + 61 + 406 + 4 = 666.

44187614064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44187614069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4488892 + ... + 4498724.

Almost surely, 2^44187614064 is an apocalyptic number.

44187614064 is a gapful number since it is divisible by the number (44) 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 44187614064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67483700856).

44187614064 is an abundant number, since it is smaller than the sum of its proper divisors (90779787648).

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

44187614064 is a wasteful number, since it uses less digits than its factorization.

44187614064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695 (or 12686 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 44187614064 in words is "forty-four billion, one hundred eighty-seven million, six hundred fourteen thousand, sixty-four".