1000781840830 has 16 divisors (see below), whose sum is σ = 1804700572560. Its totient is φ = 399580900992.

The previous prime is 1000781840803. The next prime is 1000781840837. The reversal of 1000781840830 is 380481870001.

1000781840830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000781840837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91473675 + ... + 91484614.

It is an arithmetic number, because the mean of its divisors is an integer number (112793785785).

Almost surely, 2^{1000781840830} is an apocalyptic number.

1000781840830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000781840830 is a deficient number, since it is larger than the sum of its proper divisors (803918731730).

1000781840830 is a wasteful number, since it uses less digits than its factorization.

1000781840830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182958843.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 1000781840830 in words is "one trillion, seven hundred eighty-one million, eight hundred forty thousand, eight hundred thirty".