44355421 has 8 divisors (see below), whose sum is σ = 48758688. Its totient is φ = 40014000.

The previous prime is 44355401. The next prime is 44355427. The reversal of 44355421 is 12455344.

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

It is a cyclic number.

It is not a de Polignac number, because 44355421 - 2⁹ = 44354909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44355421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44355427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13950 + ... + 16831.

It is an arithmetic number, because the mean of its divisors is an integer number (6094836).

Almost surely, 2^44355421 is an apocalyptic number.

It is an amenable number.

44355421 is a deficient number, since it is larger than the sum of its proper divisors (4403267).

44355421 is a wasteful number, since it uses less digits than its factorization.

44355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30923.

The product of its digits is 9600, while the sum is 28.

The square root of 44355421 is about 6659.9865615480. The cubic root of 44355421 is about 353.9828611618.

The spelling of 44355421 in words is "forty-four million, three hundred fifty-five thousand, four hundred twenty-one".