514386440 has 16 divisors (see below), whose sum is σ = 1157369580. Its totient is φ = 205754560.

The previous prime is 514386437. The next prime is 514386443. The reversal of 514386440 is 44683415.

It is an interprime number because it is at equal distance from previous prime (514386437) and next prime (514386443).

It can be written as a sum of positive squares in 2 ways, for example, as 478121956 + 36264484 = 21866^2 + 6022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 514386440.

It is not an unprimeable number, because it can be changed into a prime (514386443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6429791 + ... + 6429870.

Almost surely, 2^514386440 is an apocalyptic number.

It is an amenable number.

514386440 is an abundant number, since it is smaller than the sum of its proper divisors (642983140).

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

514386440 is a wasteful number, since it uses less digits than its factorization.

514386440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859672 (or 12859668 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 514386440 is about 22680.0890650809. The cubic root of 514386440 is about 801.2410113680.

The spelling of 514386440 in words is "five hundred fourteen million, three hundred eighty-six thousand, four hundred forty".