514221540 has 48 divisors (see below), whose sum is σ = 1645510272. Its totient is φ = 117536256.

The previous prime is 514221493. The next prime is 514221569. The reversal of 514221540 is 45122415.

It is a self number, because there is not a number n which added to its sum of digits gives 514221540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611749 + ... + 612588.

It is an arithmetic number, because the mean of its divisors is an integer number (34281464).

Almost surely, 2^514221540 is an apocalyptic number.

It is an amenable number.

514221540 is an abundant number, since it is smaller than the sum of its proper divisors (1131288732).

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

514221540 is a wasteful number, since it uses less digits than its factorization.

514221540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224356 (or 1224354 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 514221540 is about 22676.4534264069. The cubic root of 514221540 is about 801.1553826437.

Adding to 514221540 its reverse (45122415), we get a palindrome (559343955).

The spelling of 514221540 in words is "five hundred fourteen million, two hundred twenty-one thousand, five hundred forty".