44677638 has 48 divisors (see below), whose sum is σ = 101627136. Its totient is φ = 14158320.

The previous prime is 44677627. The next prime is 44677639. The reversal of 44677638 is 83677644.

44677638 is a `hidden beast` number, since 4 + 4 + 6 + 7 + 7 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 44677593 and 44677602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44677639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128581 + ... + 128927.

It is an arithmetic number, because the mean of its divisors is an integer number (2117232).

Almost surely, 2^44677638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44677638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50813568).

44677638 is an abundant number, since it is smaller than the sum of its proper divisors (56949498).

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

44677638 is a wasteful number, since it uses less digits than its factorization.

44677638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 686 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 44677638 is about 6684.1333020819. The cubic root of 44677638 is about 354.8379555354.

The spelling of 44677638 in words is "forty-four million, six hundred seventy-seven thousand, six hundred thirty-eight".