502552125540 has 36 divisors (see below), whose sum is σ = 1524408114684. Its totient is φ = 134013900096.

The previous prime is 502552125533. The next prime is 502552125553. The reversal of 502552125540 is 45521255205.

502552125540 is a `hidden beast` number, since 5 + 0 + 2 + 552 + 12 + 55 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 357994002276 + 144558123264 = 598326^2 + 380208^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 502552125495 and 502552125504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1395977947 + ... + 1395978306.

Almost surely, 2^502552125540 is an apocalyptic number.

It is an amenable number.

502552125540 is an abundant number, since it is smaller than the sum of its proper divisors (1021855989144).

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

502552125540 is a wasteful number, since it uses less digits than its factorization.

502552125540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791956268 (or 2791956263 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 502552125540 in words is "five hundred two billion, five hundred fifty-two million, one hundred twenty-five thousand, five hundred forty".