516452340 has 24 divisors (see below), whose sum is σ = 1446066720. Its totient is φ = 137720608.

The previous prime is 516452303. The next prime is 516452341. The reversal of 516452340 is 43254615.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 516452298 and 516452307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516452341) 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, 4303710 + ... + 4303829.

It is an arithmetic number, because the mean of its divisors is an integer number (60252780).

Almost surely, 2^516452340 is an apocalyptic number.

It is an amenable number.

516452340 is an abundant number, since it is smaller than the sum of its proper divisors (929614380).

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

516452340 is a wasteful number, since it uses less digits than its factorization.

516452340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8607551 (or 8607549 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 516452340 is about 22725.5877811774. The cubic root of 516452340 is about 802.3122375913.

The spelling of 516452340 in words is "five hundred sixteen million, four hundred fifty-two thousand, three hundred forty".