1000044401 has 4 divisors (see below), whose sum is σ = 1002830400. Its totient is φ = 997258404.

The previous prime is 1000044389. The next prime is 1000044433. The reversal of 1000044401 is 1044400001.

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 1000044401 - 2⁶ = 1000044337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000044901) 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, 1392461 + ... + 1393178.

It is an arithmetic number, because the mean of its divisors is an integer number (250707600).

Almost surely, 2^1000044401 is an apocalyptic number.

It is an amenable number.

1000044401 is a deficient number, since it is larger than the sum of its proper divisors (2785999).

1000044401 is an equidigital number, since it uses as much as digits as its factorization.

1000044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785998.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1000044401 is about 31623.4786353431. The cubic root of 1000044401 is about 1000.0148001143.

Adding to 1000044401 its reverse (1044400001), we get a palindrome (2044444402).

Subtracting 1000044401 from its reverse (1044400001), we obtain a square (44355600 = 6660²).

The spelling of 1000044401 in words is "one billion, forty-four thousand, four hundred one".