44521698 has 72 divisors (see below), whose sum is σ = 102008592. Its totient is φ = 12945504.

The previous prime is 44521681. The next prime is 44521717. The reversal of 44521698 is 89612544.

44521698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (69120) is a multiple of the sum of its prime factors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 536365 + ... + 536447.

It is an arithmetic number, because the mean of its divisors is an integer number (1416786).

Almost surely, 2^44521698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44521698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51004296).

44521698 is an abundant number, since it is smaller than the sum of its proper divisors (57486894).

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

44521698 is a wasteful number, since it uses less digits than its factorization.

44521698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 124 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 44521698 is about 6672.4581677220. The cubic root of 44521698 is about 354.4246396439.

The spelling of 44521698 in words is "forty-four million, five hundred twenty-one thousand, six hundred ninety-eight".