516302348840 has 32 divisors (see below), whose sum is σ = 1161740109960. Its totient is φ = 206510304000.

The previous prime is 516302348839. The next prime is 516302348959. The reversal of 516302348840 is 48843203615.

It can be written as a sum of positive squares in 4 ways, for example, as 158370569764 + 357931779076 = 397958^2 + 598274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 516302348791 and 516302348800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478490 + ... + 1123190.

Almost surely, 2^516302348840 is an apocalyptic number.

It is an amenable number.

516302348840 is an abundant number, since it is smaller than the sum of its proper divisors (645437761120).

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

516302348840 is a wasteful number, since it uses less digits than its factorization.

516302348840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664733 (or 664729 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 516302348840 in words is "five hundred sixteen billion, three hundred two million, three hundred forty-eight thousand, eight hundred forty".