1040044025 has 12 divisors (see below), whose sum is σ = 1292430672. Its totient is φ = 830244240.

The previous prime is 1040044013. The next prime is 1040044051. The reversal of 1040044025 is 5204400401.

It is not a de Polignac number, because 1040044025 - 2¹⁰ = 1040043001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040043988 and 1040044006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32867 + ... + 56216.

It is an arithmetic number, because the mean of its divisors is an integer number (107702556).

Almost surely, 2^1040044025 is an apocalyptic number.

It is an amenable number.

1040044025 is a deficient number, since it is larger than the sum of its proper divisors (252386647).

1040044025 is an equidigital number, since it uses as much as digits as its factorization.

1040044025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89560 (or 89555 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1040044025 is about 32249.7135646195. The cubic root of 1040044025 is about 1013.1736998822.

Adding to 1040044025 its reverse (5204400401), we get a palindrome (6244444426).

The spelling of 1040044025 in words is "one billion, forty million, forty-four thousand, twenty-five".