1040244406 has 4 divisors (see below), whose sum is σ = 1560366612. Its totient is φ = 520122202.

The previous prime is 1040244397. The next prime is 1040244421. The reversal of 1040244406 is 6044420401.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260061100 + ... + 260061103.

It is an arithmetic number, because the mean of its divisors is an integer number (390091653).

Almost surely, 2^1040244406 is an apocalyptic number.

1040244406 is a deficient number, since it is larger than the sum of its proper divisors (520122206).

1040244406 is an equidigital number, since it uses as much as digits as its factorization.

1040244406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520122205.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1040244406 is about 32252.8201247581. The cubic root of 1040244406 is about 1013.2387637055.

Adding to 1040244406 its reverse (6044420401), we get a palindrome (7084664807).

The spelling of 1040244406 in words is "one billion, forty million, two hundred forty-four thousand, four hundred six".