625558949352 has 192 divisors, whose sum is σ = 1870618276800. Its totient is φ = 195167646720.

The previous prime is 625558949339. The next prime is 625558949387. The reversal of 625558949352 is 253949855526.

625558949352 is a `hidden beast` number, since 6 + 2 + 5 + 5 + 589 + 49 + 3 + 5 + 2 = 666.

It is a super-2 number, since 2×625558949352² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 625558949352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5929399 + ... + 6033977.

It is an arithmetic number, because the mean of its divisors is an integer number (9742803525).

Almost surely, 2^625558949352 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 625558949352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935309138400).

625558949352 is an abundant number, since it is smaller than the sum of its proper divisors (1245059327448).

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

625558949352 is a wasteful number, since it uses less digits than its factorization.

625558949352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104798 (or 104782 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 63.

The spelling of 625558949352 in words is "six hundred twenty-five billion, five hundred fifty-eight million, nine hundred forty-nine thousand, three hundred fifty-two".