44404513 has 16 divisors (see below), whose sum is σ = 47952000. Its totient is φ = 41019264.

The previous prime is 44404511. The next prime is 44404537. The reversal of 44404513 is 31540444.

It is a cyclic number.

It is not a de Polignac number, because 44404513 - 2¹ = 44404511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44404511) 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, 88738 + ... + 89236.

It is an arithmetic number, because the mean of its divisors is an integer number (2997000).

Almost surely, 2^44404513 is an apocalyptic number.

It is an amenable number.

44404513 is a deficient number, since it is larger than the sum of its proper divisors (3547487).

44404513 is a wasteful number, since it uses less digits than its factorization.

44404513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44404513 is about 6663.6711353427. The cubic root of 44404513 is about 354.1134075454.

Adding to 44404513 its reverse (31540444), we get a palindrome (75944957).

The spelling of 44404513 in words is "forty-four million, four hundred four thousand, five hundred thirteen".