516785540292 has 96 divisors (see below), whose sum is σ = 1531791878400. Its totient is φ = 147597520896.

The previous prime is 516785540291. The next prime is 516785540333. The reversal of 516785540292 is 292045587615.

516785540292 is a `hidden beast` number, since 5 + 1 + 6 + 7 + 8 + 5 + 540 + 2 + 92 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (516785540291) 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 31 ways as a sum of consecutive naturals, for example, 1905778 + ... + 2159990.

It is an arithmetic number, because the mean of its divisors is an integer number (15956165400).

Almost surely, 2^516785540292 is an apocalyptic number.

It is an amenable number.

516785540292 is an abundant number, since it is smaller than the sum of its proper divisors (1015006338108).

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

516785540292 is a wasteful number, since it uses less digits than its factorization.

516785540292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256922 (or 256914 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 516785540292 in words is "five hundred sixteen billion, seven hundred eighty-five million, five hundred forty thousand, two hundred ninety-two".