516404780 has 24 divisors (see below), whose sum is σ = 1086553440. Its totient is φ = 206161280.

The previous prime is 516404761. The next prime is 516404783. The reversal of 516404780 is 87404615.

It is a self number, because there is not a number n which added to its sum of digits gives 516404780.

It is not an unprimeable number, because it can be changed into a prime (516404783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14360 + ... + 35199.

It is an arithmetic number, because the mean of its divisors is an integer number (45273060).

Almost surely, 2^516404780 is an apocalyptic number.

It is an amenable number.

516404780 is an abundant number, since it is smaller than the sum of its proper divisors (570148660).

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

516404780 is a wasteful number, since it uses less digits than its factorization.

516404780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50089 (or 50087 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 516404780 is about 22724.5413595082. The cubic root of 516404780 is about 802.2876085737.

The spelling of 516404780 in words is "five hundred sixteen million, four hundred four thousand, seven hundred eighty".