514005563440 has 20 divisors (see below), whose sum is σ = 1195062935184. Its totient is φ = 205602225344.

The previous prime is 514005563369. The next prime is 514005563441. The reversal of 514005563440 is 44365500415.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 514005563440.

It is not an unprimeable number, because it can be changed into a prime (514005563441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3212534692 + ... + 3212534851.

Almost surely, 2^514005563440 is an apocalyptic number.

It is an amenable number.

514005563440 is an abundant number, since it is smaller than the sum of its proper divisors (681057371744).

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

514005563440 is a wasteful number, since it uses less digits than its factorization.

514005563440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425069556 (or 6425069550 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 514005563440 in words is "five hundred fourteen billion, five million, five hundred sixty-three thousand, four hundred forty".