1040304444 has 96 divisors (see below), whose sum is σ = 2600833536. Its totient is φ = 322924800.

The previous prime is 1040304437. The next prime is 1040304491. The reversal of 1040304444 is 4444030401.

It is a super-2 number, since 2×1040304444² = 2164466672412298272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867414 + ... + 1867970.

It is an arithmetic number, because the mean of its divisors is an integer number (27092016).

Almost surely, 2^1040304444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040304444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300416768).

1040304444 is an abundant number, since it is smaller than the sum of its proper divisors (1560529092).

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

1040304444 is a wasteful number, since it uses less digits than its factorization.

1040304444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1040304444 is about 32253.7508516451. The cubic root of 1040304444 is about 1013.2582564511.

Adding to 1040304444 its reverse (4444030401), we get a palindrome (5484334845).

The spelling of 1040304444 in words is "one billion, forty million, three hundred four thousand, four hundred forty-four".