44532140 has 48 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 16885440.

The previous prime is 44532119. The next prime is 44532149. The reversal of 44532140 is 4123544.

It is a super-2 number, since 2×44532140² = 3966222985959200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (44532149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59891 + ... + 60629.

It is an arithmetic number, because the mean of its divisors is an integer number (2051280).

Almost surely, 2^44532140 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 44532140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49230720).

44532140 is an abundant number, since it is smaller than the sum of its proper divisors (53929300).

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

44532140 is a wasteful number, since it uses less digits than its factorization.

44532140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 44532140 is about 6673.2405920962. The cubic root of 44532140 is about 354.4523460803.

Adding to 44532140 its reverse (4123544), we get a palindrome (48655684).

The spelling of 44532140 in words is "forty-four million, five hundred thirty-two thousand, one hundred forty".