44775134640 has 200 divisors, whose sum is σ = 160873788240. Its totient is φ = 11528262144.

The previous prime is 44775134639. The next prime is 44775134671. The reversal of 44775134640 is 4643157744.

44775134640 is a `hidden beast` number, since 4 + 4 + 77 + 513 + 4 + 64 + 0 = 666.

44775134640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68787 + ... + 307053.

Almost surely, 2^44775134640 is an apocalyptic number.

44775134640 is a gapful number since it is divisible by the number (40) 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 44775134640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80436894120).

44775134640 is an abundant number, since it is smaller than the sum of its proper divisors (116098653600).

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

44775134640 is a wasteful number, since it uses less digits than its factorization.

44775134640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238321 (or 238306 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 44775134640 in words is "forty-four billion, seven hundred seventy-five million, one hundred thirty-four thousand, six hundred forty".