44194640 has 40 divisors (see below), whose sum is σ = 117432960. Its totient is φ = 15152256.

The previous prime is 44194573. The next prime is 44194649. The reversal of 44194640 is 4649144.

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

It is a junction number, because it is equal to n+sod(n) for n = 44194597 and 44194606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44194649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38900 + ... + 40019.

It is an arithmetic number, because the mean of its divisors is an integer number (2935824).

Almost surely, 2^44194640 is an apocalyptic number.

44194640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44194640 is an abundant number, since it is smaller than the sum of its proper divisors (73238320).

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

44194640 is a wasteful number, since it uses less digits than its factorization.

44194640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78939 (or 78933 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 44194640 is about 6647.9049331349. The cubic root of 44194640 is about 353.5546337245.

The spelling of 44194640 in words is "forty-four million, one hundred ninety-four thousand, six hundred forty".