514142440 has 64 divisors (see below), whose sum is σ = 1364751360. Its totient is φ = 170588160.

The previous prime is 514142423. The next prime is 514142459. The reversal of 514142440 is 44241415.

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, 20937 + ... + 38296.

It is an arithmetic number, because the mean of its divisors is an integer number (21324240).

Almost surely, 2^514142440 is an apocalyptic number.

It is an amenable number.

514142440 is an abundant number, since it is smaller than the sum of its proper divisors (850608920).

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

514142440 is a wasteful number, since it uses less digits than its factorization.

514142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59282 (or 59278 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 514142440 is about 22674.7092594370. The cubic root of 514142440 is about 801.1143013616.

Adding to 514142440 its reverse (44241415), we get a palindrome (558383855).

The spelling of 514142440 in words is "five hundred fourteen million, one hundred forty-two thousand, four hundred forty".