44399808 has 84 divisors (see below), whose sum is σ = 133995160. Its totient is φ = 14017536.

The previous prime is 44399807. The next prime is 44399809. The reversal of 44399808 is 80899344.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44399807) and next prime (44399809).

It is not an unprimeable number, because it can be changed into a prime (44399807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8916 + ... + 12972.

Almost surely, 2^44399808 is an apocalyptic number.

44399808 is a gapful number since it is divisible by the number (48) 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 44399808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66997580).

44399808 is an abundant number, since it is smaller than the sum of its proper divisors (89595352).

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

44399808 is a wasteful number, since it uses less digits than its factorization.

44399808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 44399808 is about 6663.3180923621. The cubic root of 44399808 is about 354.1009000897.

The spelling of 44399808 in words is "forty-four million, three hundred ninety-nine thousand, eight hundred eight".