252065577544 has 32 divisors (see below), whose sum is σ = 515617164000. Its totient is φ = 114568933120.

The previous prime is 252065577523. The next prime is 252065577571. The reversal of 252065577544 is 445775560252.

It is a junction number, because it is equal to n+sod(n) for n = 252065577491 and 252065577500.

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, 1766019 + ... + 1903405.

It is an arithmetic number, because the mean of its divisors is an integer number (16113036375).

Almost surely, 2^252065577544 is an apocalyptic number.

It is an amenable number.

252065577544 is an abundant number, since it is smaller than the sum of its proper divisors (263551586456).

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

252065577544 is a wasteful number, since it uses less digits than its factorization.

252065577544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158253 (or 158249 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 52.

The spelling of 252065577544 in words is "two hundred fifty-two billion, sixty-five million, five hundred seventy-seven thousand, five hundred forty-four".