44383438836 has 192 divisors, whose sum is σ = 132465715200. Its totient is φ = 12719520000.

The previous prime is 44383438831. The next prime is 44383438843. The reversal of 44383438836 is 63883438344.

44383438836 is a `hidden beast` number, since 443 + 83 + 43 + 8 + 83 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44383438831) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2422711 + ... + 2440961.

It is an arithmetic number, because the mean of its divisors is an integer number (689925600).

Almost surely, 2^44383438836 is an apocalyptic number.

44383438836 is a gapful number since it is divisible by the number (46) 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 44383438836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66232857600).

44383438836 is an abundant number, since it is smaller than the sum of its proper divisors (88082276364).

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

44383438836 is a wasteful number, since it uses less digits than its factorization.

44383438836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18387 (or 18379 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 54.

The spelling of 44383438836 in words is "forty-four billion, three hundred eighty-three million, four hundred thirty-eight thousand, eight hundred thirty-six".