516354636140 has 96 divisors (see below), whose sum is σ = 1268667598464. Its totient is φ = 172881561600.

The previous prime is 516354636137. The next prime is 516354636151. The reversal of 516354636140 is 41636453615.

It is a super-2 number, since 2×516354636140² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516354636091 and 516354636100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782102 + ... + 1282338.

It is an arithmetic number, because the mean of its divisors is an integer number (13215287484).

Almost surely, 2^516354636140 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 516354636140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634333799232).

516354636140 is an abundant number, since it is smaller than the sum of its proper divisors (752312962324).

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

516354636140 is a wasteful number, since it uses less digits than its factorization.

516354636140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500427 (or 500425 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 516354636140 in words is "five hundred sixteen billion, three hundred fifty-four million, six hundred thirty-six thousand, one hundred forty".