780730030080 has 3456 divisors, whose sum is σ = 3936609331200. Its totient is φ = 144919756800.

The previous prime is 780730030043. The next prime is 780730030121. The reversal of 780730030080 is 80030037087.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 25184839665 + ... + 25184839695.

It is an arithmetic number, because the mean of its divisors is an integer number (1139065200).

Almost surely, 2^780730030080 is an apocalyptic number.

780730030080 is a gapful number since it is divisible by the number (70) 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 780730030080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968304665600).

780730030080 is an abundant number, since it is smaller than the sum of its proper divisors (3155879301120).

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

780730030080 is a wasteful number, since it uses less digits than its factorization.

780730030080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 780730030080 in words is "seven hundred eighty billion, seven hundred thirty million, thirty thousand, eighty".