44471840 has 96 divisors (see below), whose sum is σ = 122290560. Its totient is φ = 14966784.

The previous prime is 44471831. The next prime is 44471851. The reversal of 44471840 is 4817444.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 44471797 and 44471806.

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, 65744 + ... + 66416.

It is an arithmetic number, because the mean of its divisors is an integer number (1273860).

Almost surely, 2^44471840 is an apocalyptic number.

44471840 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 44471840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61145280).

44471840 is an abundant number, since it is smaller than the sum of its proper divisors (77818720).

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

44471840 is a wasteful number, since it uses less digits than its factorization.

44471840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 44471840 is about 6668.7210168067. The cubic root of 44471840 is about 354.2922884167.

The spelling of 44471840 in words is "forty-four million, four hundred seventy-one thousand, eight hundred forty".