44549761536 has 840 divisors, whose sum is σ = 164768963040. Its totient is φ = 11776720896.

The previous prime is 44549761493. The next prime is 44549761559. The reversal of 44549761536 is 63516794544.

It is a happy number.

44549761536 is a `hidden beast` number, since 4 + 4 + 5 + 49 + 7 + 61 + 536 = 666.

44549761536 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 (54).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 755080675 + ... + 755080733.

Almost surely, 2^44549761536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44549761536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82384481520).

44549761536 is an abundant number, since it is smaller than the sum of its proper divisors (120219201504).

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

44549761536 is an frugal number, since it uses more digits than its factorization.

44549761536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 88 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

It can be divided in two parts, 4454 and 9761536, that added together give a triangular number (9765990 = T₄₄₁₉).

The spelling of 44549761536 in words is "forty-four billion, five hundred forty-nine million, seven hundred sixty-one thousand, five hundred thirty-six".