44161500 has 96 divisors (see below), whose sum is σ = 131040000. Its totient is φ = 11553600.

The previous prime is 44161493. The next prime is 44161501. The reversal of 44161500 is 516144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88251 + ... + 88749.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^44161500 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 44161500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65520000).

44161500 is an abundant number, since it is smaller than the sum of its proper divisors (86878500).

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

44161500 is a wasteful number, since it uses less digits than its factorization.

44161500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 44161500 is about 6645.4119511133. The cubic root of 44161500 is about 353.4662389142.

Adding to 44161500 its reverse (516144), we get a palindrome (44677644).

The spelling of 44161500 in words is "forty-four million, one hundred sixty-one thousand, five hundred".