521440114 has 16 divisors (see below), whose sum is σ = 845083008. Its totient is φ = 239877072.

The previous prime is 521440109. The next prime is 521440147. The reversal of 521440114 is 411044125.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24682 + ... + 40645.

It is an arithmetic number, because the mean of its divisors is an integer number (52817688).

Almost surely, 2^521440114 is an apocalyptic number.

521440114 is a deficient number, since it is larger than the sum of its proper divisors (323642894).

521440114 is a wasteful number, since it uses less digits than its factorization.

521440114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65649.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 521440114 is about 22835.0632580687. The cubic root of 521440114 is about 804.8868140698.

Adding to 521440114 its reverse (411044125), we get a palindrome (932484239).

The spelling of 521440114 in words is "five hundred twenty-one million, four hundred forty thousand, one hundred fourteen".