44425840 has 40 divisors (see below), whose sum is σ = 104011200. Its totient is φ = 17646336.

The previous prime is 44425817. The next prime is 44425847. The reversal of 44425840 is 4852444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44425847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10057 + ... + 13783.

It is an arithmetic number, because the mean of its divisors is an integer number (2600280).

Almost surely, 2^44425840 is an apocalyptic number.

44425840 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 44425840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52005600).

44425840 is an abundant number, since it is smaller than the sum of its proper divisors (59585360).

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

44425840 is a wasteful number, since it uses less digits than its factorization.

44425840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 44425840 is about 6665.2711872811. The cubic root of 44425840 is about 354.1700907320.

The spelling of 44425840 in words is "forty-four million, four hundred twenty-five thousand, eight hundred forty".