44421355 has 16 divisors (see below), whose sum is σ = 58286304. Its totient is φ = 32231680.

The previous prime is 44421347. The next prime is 44421379. The reversal of 44421355 is 55312444.

It is not a de Polignac number, because 44421355 - 2³ = 44421347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36639 + ... + 37831.

It is an arithmetic number, because the mean of its divisors is an integer number (3642894).

Almost surely, 2^44421355 is an apocalyptic number.

44421355 is a deficient number, since it is larger than the sum of its proper divisors (13864949).

44421355 is a wasteful number, since it uses less digits than its factorization.

44421355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

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

The square root of 44421355 is about 6664.9347333639. The cubic root of 44421355 is about 354.1581719454.

Adding to 44421355 its reverse (55312444), we get a palindrome (99733799).

The spelling of 44421355 in words is "forty-four million, four hundred twenty-one thousand, three hundred fifty-five".