514851840 has 132 divisors (see below), whose sum is σ = 1784107884. Its totient is φ = 137281536.

The previous prime is 514851839. The next prime is 514851859. The reversal of 514851840 is 48158415.

It can be written as a sum of positive squares in 2 ways, for example, as 212926464 + 301925376 = 14592^2 + 17376^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 514851795 and 514851804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40494 + ... + 51666.

Almost surely, 2^514851840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514851840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892053942).

514851840 is an abundant number, since it is smaller than the sum of its proper divisors (1269256044).

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

514851840 is a wasteful number, since it uses less digits than its factorization.

514851840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204 (or 11183 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 514851840 is about 22690.3468461811. The cubic root of 514851840 is about 801.4825840666.

The spelling of 514851840 in words is "five hundred fourteen million, eight hundred fifty-one thousand, eight hundred forty".