1078752444 has 72 divisors (see below), whose sum is σ = 3194247168. Its totient is φ = 280193760.

The previous prime is 1078752383. The next prime is 1078752473. The reversal of 1078752444 is 4442578701.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1078752396 and 1078752405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76924 + ... + 89859.

It is an arithmetic number, because the mean of its divisors is an integer number (44364544).

Almost surely, 2^1078752444 is an apocalyptic number.

1078752444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1078752444 is an abundant number, since it is smaller than the sum of its proper divisors (2115494724).

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

1078752444 is a wasteful number, since it uses less digits than its factorization.

1078752444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166815 (or 166806 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 42.

The square root of 1078752444 is about 32844.3670056221. The cubic root of 1078752444 is about 1025.5903619506.

The spelling of 1078752444 in words is "one billion, seventy-eight million, seven hundred fifty-two thousand, four hundred forty-four".