44402001 has 8 divisors (see below), whose sum is σ = 67660224. Its totient is φ = 25372560.

The previous prime is 44401999. The next prime is 44402009. The reversal of 44402001 is 10020444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44402001 - 2¹ = 44401999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44402009) 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, 1057170 + ... + 1057211.

It is an arithmetic number, because the mean of its divisors is an integer number (8457528).

Almost surely, 2^44402001 is an apocalyptic number.

It is an amenable number.

44402001 is a deficient number, since it is larger than the sum of its proper divisors (23258223).

44402001 is a wasteful number, since it uses less digits than its factorization.

44402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114391.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 44402001 is about 6663.4826479852. The cubic root of 44402001 is about 354.1067299234.

Adding to 44402001 its reverse (10020444), we get a palindrome (54422445).

It can be divided in two parts, 4440 and 2001, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 44402001 in words is "forty-four million, four hundred two thousand, one".