780130560 has 432 divisors, whose sum is σ = 2896854912. Its totient is φ = 178421760.

The previous prime is 780130543. The next prime is 780130573. The reversal of 780130560 is 65031087.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10686684 + ... + 10686756.

Almost surely, 2^780130560 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 780130560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448427456).

780130560 is an abundant number, since it is smaller than the sum of its proper divisors (2116724352).

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

780130560 is a wasteful number, since it uses less digits than its factorization.

780130560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 780130560 is about 27930.8173886838. The cubic root of 780130560 is about 920.5677654812.

The spelling of 780130560 in words is "seven hundred eighty million, one hundred thirty thousand, five hundred sixty".