516134420 has 24 divisors (see below), whose sum is σ = 1101653448. Its totient is φ = 203068800.

The previous prime is 516134389. The next prime is 516134441. The reversal of 516134420 is 24431615.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 516107524 = 164^2 + 22718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 516134420.

It is a congruent number.

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, 210311 + ... + 212750.

It is an arithmetic number, because the mean of its divisors is an integer number (45902227).

Almost surely, 2^516134420 is an apocalyptic number.

It is an amenable number.

516134420 is an abundant number, since it is smaller than the sum of its proper divisors (585519028).

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

516134420 is a wasteful number, since it uses less digits than its factorization.

516134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423131 (or 423129 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 516134420 is about 22718.5919458051. The cubic root of 516134420 is about 802.1475735013.

The spelling of 516134420 in words is "five hundred sixteen million, one hundred thirty-four thousand, four hundred twenty".