44561409 has 4 divisors (see below), whose sum is σ = 59415216. Its totient is φ = 29707604.

The previous prime is 44561401. The next prime is 44561501. The reversal of 44561409 is 90416544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44561409 - 2³ = 44561401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44561409.

It is not an unprimeable number, because it can be changed into a prime (44561401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7426899 + ... + 7426904.

It is an arithmetic number, because the mean of its divisors is an integer number (14853804).

Almost surely, 2^44561409 is an apocalyptic number.

It is an amenable number.

44561409 is a deficient number, since it is larger than the sum of its proper divisors (14853807).

44561409 is a wasteful number, since it uses less digits than its factorization.

44561409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14853806.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 44561409 is about 6675.4332443670. The cubic root of 44561409 is about 354.5299843408.

The spelling of 44561409 in words is "forty-four million, five hundred sixty-one thousand, four hundred nine".