44518779648 has 432 divisors, whose sum is σ = 156096682560. Its totient is φ = 11912085504.

The previous prime is 44518779601. The next prime is 44518779649. The reversal of 44518779648 is 84697781544.

44518779648 is a `hidden beast` number, since 4 + 4 + 518 + 7 + 79 + 6 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (44518779649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108847668 + ... + 108848076.

Almost surely, 2^44518779648 is an apocalyptic number.

44518779648 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 44518779648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78048341280).

44518779648 is an abundant number, since it is smaller than the sum of its proper divisors (111577902912).

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

44518779648 is a wasteful number, since it uses less digits than its factorization.

44518779648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 835 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 44518779648 in words is "forty-four billion, five hundred eighteen million, seven hundred seventy-nine thousand, six hundred forty-eight".