1009038444 has 24 divisors (see below), whose sum is σ = 2356294080. Its totient is φ = 336078864.

The previous prime is 1009038431. The next prime is 1009038449. The reversal of 1009038444 is 4448309001.

It is a happy number.

It is a super-2 number, since 2×1009038444² = 2036317162939882272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1009038449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17374 + ... + 48165.

It is an arithmetic number, because the mean of its divisors is an integer number (98178920).

Almost surely, 2^1009038444 is an apocalyptic number.

It is an amenable number.

1009038444 is an abundant number, since it is smaller than the sum of its proper divisors (1347255636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1009038444 is a wasteful number, since it uses less digits than its factorization.

1009038444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66829 (or 66827 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1009038444 is about 31765.3654787726. The cubic root of 1009038444 is about 1003.0037829207.

The spelling of 1009038444 in words is "one billion, nine million, thirty-eight thousand, four hundred forty-four".