44500000 has 84 divisors (see below), whose sum is σ = 110740770. Its totient is φ = 17600000.

The previous prime is 44499979. The next prime is 44500021. The reversal of 44500000 is 544.

It is an interprime number because it is at equal distance from previous prime (44499979) and next prime (44500021).

It can be written as a sum of positive squares in 7 ways, for example, as 30869136 + 13630864 = 5556^2 + 3692^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 499956 + ... + 500044.

Almost surely, 2^44500000 is an apocalyptic number.

44500000 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 44500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55370385).

44500000 is an abundant number, since it is smaller than the sum of its proper divisors (66240770).

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

44500000 is an frugal number, since it uses more digits than its factorization.

44500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 44500000 is about 6670.8320320632. The cubic root of 44500000 is about 354.3670530750.

Adding to 44500000 its reverse (544), we get a palindrome (44500544).

The spelling of 44500000 in words is "forty-four million, five hundred thousand".