1048640444 has 12 divisors (see below), whose sum is σ = 1943069184. Its totient is φ = 493477824.

The previous prime is 1048640443. The next prime is 1048640473. The reversal of 1048640444 is 4440468401.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048640443) 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, 7710524 + ... + 7710659.

It is an arithmetic number, because the mean of its divisors is an integer number (161922432).

Almost surely, 2^1048640444 is an apocalyptic number.

It is an amenable number.

1048640444 is a deficient number, since it is larger than the sum of its proper divisors (894428740).

1048640444 is a wasteful number, since it uses less digits than its factorization.

1048640444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421204 (or 15421202 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 1048640444 is about 32382.7182923238. The cubic root of 1048640444 is about 1015.9574855110.

The spelling of 1048640444 in words is "one billion, forty-eight million, six hundred forty thousand, four hundred forty-four".