516906140 has 24 divisors (see below), whose sum is σ = 1132699680. Its totient is φ = 197772608.

The previous prime is 516906127. The next prime is 516906149. The reversal of 516906140 is 41609615.

It is a junction number, because it is equal to n+sod(n) for n = 516906097 and 516906106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516906149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561395 + ... + 562314.

It is an arithmetic number, because the mean of its divisors is an integer number (47195820).

Almost surely, 2^516906140 is an apocalyptic number.

It is an amenable number.

516906140 is an abundant number, since it is smaller than the sum of its proper divisors (615793540).

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

516906140 is a wasteful number, since it uses less digits than its factorization.

516906140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123741 (or 1123739 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 516906140 is about 22735.5699290781. The cubic root of 516906140 is about 802.5471625961.

The spelling of 516906140 in words is "five hundred sixteen million, nine hundred six thousand, one hundred forty".