44453939 has 4 divisors (see below), whose sum is σ = 46793640. Its totient is φ = 42114240.

The previous prime is 44453891. The next prime is 44453951. The reversal of 44453939 is 93935444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44453939 - 2¹² = 44449843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44453896 and 44453905.

It is not an unprimeable number, because it can be changed into a prime (44453989) 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 3 ways as a sum of consecutive naturals, for example, 1169822 + ... + 1169859.

It is an arithmetic number, because the mean of its divisors is an integer number (11698410).

Almost surely, 2^44453939 is an apocalyptic number.

44453939 is a deficient number, since it is larger than the sum of its proper divisors (2339701).

44453939 is a wasteful number, since it uses less digits than its factorization.

44453939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339700.

The product of its digits is 233280, while the sum is 41.

The square root of 44453939 is about 6667.3787203068. The cubic root of 44453939 is about 354.2447449420.

The spelling of 44453939 in words is "forty-four million, four hundred fifty-three thousand, nine hundred thirty-nine".