44463021 has 16 divisors (see below), whose sum is σ = 64419840. Its totient is φ = 27174960.

The previous prime is 44462981. The next prime is 44463031. The reversal of 44463021 is 12036444.

It is not a de Polignac number, because 44463021 - 2¹⁴ = 44446637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44462982 and 44463000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44463031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10815 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (4026240).

Almost surely, 2^44463021 is an apocalyptic number.

It is an amenable number.

44463021 is a deficient number, since it is larger than the sum of its proper divisors (19956819).

44463021 is a wasteful number, since it uses less digits than its factorization.

44463021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25216.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 44463021 is about 6668.0597627796. The cubic root of 44463021 is about 354.2688675265.

Adding to 44463021 its reverse (12036444), we get a palindrome (56499465).

The spelling of 44463021 in words is "forty-four million, four hundred sixty-three thousand, twenty-one".