514252520240 has 80 divisors (see below), whose sum is σ = 1208041778592. Its totient is φ = 203570798592.

The previous prime is 514252520239. The next prime is 514252520279. The reversal of 514252520240 is 42025252415.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 514252520197 and 514252520206.

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, 8504192 + ... + 8564448.

Almost surely, 2^514252520240 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 514252520240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604020889296).

514252520240 is an abundant number, since it is smaller than the sum of its proper divisors (693789258352).

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

514252520240 is a wasteful number, since it uses less digits than its factorization.

514252520240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61374 (or 61368 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 514252520240 its reverse (42025252415), we get a palindrome (556277772655).

The spelling of 514252520240 in words is "five hundred fourteen billion, two hundred fifty-two million, five hundred twenty thousand, two hundred forty".