516248440 has 32 divisors (see below), whose sum is σ = 1166652000. Its totient is φ = 205593984.

The previous prime is 516248399. The next prime is 516248441. The reversal of 516248440 is 44842615.

It is a junction number, because it is equal to n+sod(n) for n = 516248396 and 516248405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516248441) 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, 19020 + ... + 37339.

It is an arithmetic number, because the mean of its divisors is an integer number (36457875).

Almost surely, 2^516248440 is an apocalyptic number.

It is an amenable number.

516248440 is an abundant number, since it is smaller than the sum of its proper divisors (650403560).

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

516248440 is a wasteful number, since it uses less digits than its factorization.

516248440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56599 (or 56595 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 516248440 is about 22721.1012057074. The cubic root of 516248440 is about 802.2066370119.

The spelling of 516248440 in words is "five hundred sixteen million, two hundred forty-eight thousand, four hundred forty".