44534490 has 128 divisors (see below), whose sum is σ = 143603712. Its totient is φ = 8536320.

The previous prime is 44534473. The next prime is 44534491. The reversal of 44534490 is 9443544.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44534491) 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, 29289 + ... + 30771.

It is an arithmetic number, because the mean of its divisors is an integer number (1121904).

Almost surely, 2^44534490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44534490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71801856).

44534490 is an abundant number, since it is smaller than the sum of its proper divisors (99069222).

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

44534490 is a wasteful number, since it uses less digits than its factorization.

44534490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 44534490 is about 6673.4166661464. The cubic root of 44534490 is about 354.4585808908.

The spelling of 44534490 in words is "forty-four million, five hundred thirty-four thousand, four hundred ninety".