44498640 has 80 divisors (see below), whose sum is σ = 142419456. Its totient is φ = 11481600.

The previous prime is 44498603. The next prime is 44498677. The reversal of 44498640 is 4689444.

It is an interprime number because it is at equal distance from previous prime (44498603) and next prime (44498677).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4450 + ... + 10430.

Almost surely, 2^44498640 is an apocalyptic number.

44498640 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 44498640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71209728).

44498640 is an abundant number, since it is smaller than the sum of its proper divisors (97920816).

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

44498640 is a wasteful number, since it uses less digits than its factorization.

44498640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028 (or 6022 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 44498640 is about 6670.7300949746. The cubic root of 44498640 is about 354.3634430069.

The spelling of 44498640 in words is "forty-four million, four hundred ninety-eight thousand, six hundred forty".