44001272 has 16 divisors (see below), whose sum is σ = 94288560. Its totient is φ = 18857664.

The previous prime is 44001271. The next prime is 44001299. The reversal of 44001272 is 27210044.

It is a super-2 number, since 2×44001272² = 3872223875235968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392813 + ... + 392924.

It is an arithmetic number, because the mean of its divisors is an integer number (5893035).

Almost surely, 2^44001272 is an apocalyptic number.

It is an amenable number.

44001272 is an abundant number, since it is smaller than the sum of its proper divisors (50287288).

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

44001272 is a wasteful number, since it uses less digits than its factorization.

44001272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785750 (or 785746 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 44001272 is about 6633.3454606254. The cubic root of 44001272 is about 353.0382354719.

The spelling of 44001272 in words is "forty-four million, one thousand, two hundred seventy-two".