1044505641 has 4 divisors (see below), whose sum is σ = 1392674192. Its totient is φ = 696337092.

The previous prime is 1044505621. The next prime is 1044505643. The reversal of 1044505641 is 1465054401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1465054401 = 3 ⋅488351467.

It is not a de Polignac number, because 1044505641 - 2⁶ = 1044505577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1044505599 and 1044505608.

It is not an unprimeable number, because it can be changed into a prime (1044505643) 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, 174084271 + ... + 174084276.

It is an arithmetic number, because the mean of its divisors is an integer number (348168548).

Almost surely, 2^1044505641 is an apocalyptic number.

It is an amenable number.

1044505641 is a deficient number, since it is larger than the sum of its proper divisors (348168551).

1044505641 is an equidigital number, since it uses as much as digits as its factorization.

1044505641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348168550.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1044505641 is about 32318.8124936545. The cubic root of 1044505641 is about 1014.6204153842.

The spelling of 1044505641 in words is "one billion, forty-four million, five hundred five thousand, six hundred forty-one".