1065478080 has 224 divisors, whose sum is σ = 3534119424. Its totient is φ = 271724544.

The previous prime is 1065477983. The next prime is 1065478081. The reversal of 1065478080 is 808745601.

It is a super-2 number, since 2×1065478080² = 2270487077920972800, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065478081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2187597 + ... + 2188083.

Almost surely, 2^1065478080 is an apocalyptic number.

1065478080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065478080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767059712).

1065478080 is an abundant number, since it is smaller than the sum of its proper divisors (2468641344).

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

1065478080 is a wasteful number, since it uses less digits than its factorization.

1065478080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1065478080 is about 32641.6617224062. The cubic root of 1065478080 is about 1021.3662583188.

The spelling of 1065478080 in words is "one billion, sixty-five million, four hundred seventy-eight thousand, eighty".