1078445380 has 12 divisors (see below), whose sum is σ = 2264735340. Its totient is φ = 431378144.

The previous prime is 1078445369. The next prime is 1078445399. The reversal of 1078445380 is 835448701.

It can be written as a sum of positive squares in 2 ways, for example, as 134235396 + 944209984 = 11586^2 + 30728^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26961115 + ... + 26961154.

It is an arithmetic number, because the mean of its divisors is an integer number (188727945).

Almost surely, 2^1078445380 is an apocalyptic number.

1078445380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078445380 is an abundant number, since it is smaller than the sum of its proper divisors (1186289960).

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

1078445380 is a wasteful number, since it uses less digits than its factorization.

1078445380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53922278 (or 53922276 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1078445380 is about 32839.6921422842. The cubic root of 1078445380 is about 1025.4930421976.

The spelling of 1078445380 in words is "one billion, seventy-eight million, four hundred forty-five thousand, three hundred eighty".