44788437648 has 320 divisors, whose sum is σ = 143357491200. Its totient is φ = 13323087360.

The previous prime is 44788437583. The next prime is 44788437653. The reversal of 44788437648 is 84673488744.

44788437648 is a `hidden beast` number, since 447 + 8 + 84 + 3 + 76 + 48 = 666.

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, 12646758 + ... + 12650298.

It is an arithmetic number, because the mean of its divisors is an integer number (447992160).

Almost surely, 2^44788437648 is an apocalyptic number.

44788437648 is a gapful number since it is divisible by the number (48) 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 44788437648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71678745600).

44788437648 is an abundant number, since it is smaller than the sum of its proper divisors (98569053552).

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

44788437648 is a wasteful number, since it uses less digits than its factorization.

44788437648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3655 counting only the distinct ones).

The product of its digits is 115605504, while the sum is 63.

The spelling of 44788437648 in words is "forty-four billion, seven hundred eighty-eight million, four hundred thirty-seven thousand, six hundred forty-eight".