44040905 has 8 divisors (see below), whose sum is σ = 53334600. Its totient is φ = 34909056.

The previous prime is 44040877. The next prime is 44040923. The reversal of 44040905 is 50904044.

It can be written as a sum of positive squares in 4 ways, for example, as 12411529 + 31629376 = 3523^2 + 5624^2 .

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 44040905 - 2⁸ = 44040649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39860 + ... + 40949.

It is an arithmetic number, because the mean of its divisors is an integer number (6666825).

Almost surely, 2^44040905 is an apocalyptic number.

It is an amenable number.

44040905 is a deficient number, since it is larger than the sum of its proper divisors (9293695).

44040905 is a wasteful number, since it uses less digits than its factorization.

44040905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80923.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 44040905 is about 6636.3321948197. The cubic root of 44040905 is about 353.1442003291.

Adding to 44040905 its reverse (50904044), we get a palindrome (94944949).

The spelling of 44040905 in words is "forty-four million, forty thousand, nine hundred five".