516244744830 has 32 divisors (see below), whose sum is σ = 1247900976000. Its totient is φ = 136674866592.

The previous prime is 516244744751. The next prime is 516244744853. The reversal of 516244744830 is 38447442615.

It is a self number, because there is not a number n which added to its sum of digits gives 516244744830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61895680 + ... + 61904019.

It is an arithmetic number, because the mean of its divisors is an integer number (38996905500).

Almost surely, 2^516244744830 is an apocalyptic number.

516244744830 is an abundant number, since it is smaller than the sum of its proper divisors (731656231170).

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

516244744830 is a wasteful number, since it uses less digits than its factorization.

516244744830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123799848.

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 516244744830 in words is "five hundred sixteen billion, two hundred forty-four million, seven hundred forty-four thousand, eight hundred thirty".