44140001 has 16 divisors (see below), whose sum is σ = 48445440. Its totient is φ = 40098240.

The previous prime is 44139889. The next prime is 44140009. The reversal of 44140001 is 10004144.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44140001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44140009) 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 15 ways as a sum of consecutive naturals, for example, 32600 + ... + 33926.

It is an arithmetic number, because the mean of its divisors is an integer number (3027840).

Almost surely, 2^44140001 is an apocalyptic number.

It is an amenable number.

44140001 is a deficient number, since it is larger than the sum of its proper divisors (4305439).

44140001 is a wasteful number, since it uses less digits than its factorization.

44140001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 44140001 is about 6643.7941720074. The cubic root of 44140001 is about 353.4088706623.

Adding to 44140001 its reverse (10004144), we get a palindrome (54144145).

The spelling of 44140001 in words is "forty-four million, one hundred forty thousand, one".