44136000 has 168 divisors, whose sum is σ = 158139384. Its totient is φ = 11750400.

The previous prime is 44135989. The next prime is 44136007. The reversal of 44136000 is 63144.

It can be written as a sum of positive squares in 4 ways, for example, as 13133376 + 31002624 = 3624^2 + 5568^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (44136007) 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, 71694 + ... + 72306.

Almost surely, 2^44136000 is an apocalyptic number.

44136000 is a gapful number since it is divisible by the number (40) 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 44136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79069692).

44136000 is an abundant number, since it is smaller than the sum of its proper divisors (114003384).

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

44136000 is a wasteful number, since it uses less digits than its factorization.

44136000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 44136000 is about 6643.4930571199. The cubic root of 44136000 is about 353.3981922785.

Adding to 44136000 its reverse (63144), we get a palindrome (44199144).

The spelling of 44136000 in words is "forty-four million, one hundred thirty-six thousand".