44783774464 has 144 divisors (see below), whose sum is σ = 105210844704. Its totient is φ = 18756403200.

The previous prime is 44783774449. The next prime is 44783774473. The reversal of 44783774464 is 46447738744.

It is a junction number, because it is equal to n+sod(n) for n = 44783774399 and 44783774408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38840512 + ... + 38841664.

It is an arithmetic number, because the mean of its divisors is an integer number (730630866).

Almost surely, 2^44783774464 is an apocalyptic number.

44783774464 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 44783774464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52605422352).

44783774464 is an abundant number, since it is smaller than the sum of its proper divisors (60427070240).

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

44783774464 is a wasteful number, since it uses less digits than its factorization.

44783774464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2240 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 58.

The spelling of 44783774464 in words is "forty-four billion, seven hundred eighty-three million, seven hundred seventy-four thousand, four hundred sixty-four".