44147940 has 48 divisors (see below), whose sum is σ = 125955648. Its totient is φ = 11549824.

The previous prime is 44147923. The next prime is 44147959. The reversal of 44147940 is 4974144.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3762 + ... + 10121.

It is an arithmetic number, because the mean of its divisors is an integer number (2624076).

Almost surely, 2^44147940 is an apocalyptic number.

It is an amenable number.

44147940 is an abundant number, since it is smaller than the sum of its proper divisors (81807708).

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

44147940 is a wasteful number, since it uses less digits than its factorization.

44147940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13948 (or 13946 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 44147940 is about 6644.3916200056. The cubic root of 44147940 is about 353.4300573771.

The spelling of 44147940 in words is "forty-four million, one hundred forty-seven thousand, nine hundred forty".