625552230316460 has 48 divisors (see below), whose sum is σ = 1349194948849440. Its totient is φ = 243452580456960.

The previous prime is 625552230316439. The next prime is 625552230316493. The reversal of 625552230316460 is 64613032255526.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 625552230316399 and 625552230316408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22657256 + ... + 42005424.

It is an arithmetic number, because the mean of its divisors is an integer number (28108228101030).

Almost surely, 2^{625552230316460} is an apocalyptic number.

It is an amenable number.

625552230316460 is an abundant number, since it is smaller than the sum of its proper divisors (723642718532980).

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

625552230316460 is a wasteful number, since it uses less digits than its factorization.

625552230316460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391906 (or 19391904 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 625552230316460 in words is "six hundred twenty-five trillion, five hundred fifty-two billion, two hundred thirty million, three hundred sixteen thousand, four hundred sixty".