625300006400 has 180 divisors, whose sum is σ = 1619533564572. Its totient is φ = 239242629120.

The previous prime is 625300006399. The next prime is 625300006403. The reversal of 625300006400 is 4600003526.

It is a self number, because there is not a number n which added to its sum of digits gives 625300006400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625300006403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6725027 + ... + 6817373.

Almost surely, 2^625300006400 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 625300006400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809766782286).

625300006400 is an abundant number, since it is smaller than the sum of its proper divisors (994233558172).

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

625300006400 is an equidigital number, since it uses as much as digits as its factorization.

625300006400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92421 (or 92377 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 625300006400 its reverse (4600003526), we get a palindrome (629900009926).

The spelling of 625300006400 in words is "six hundred twenty-five billion, three hundred million, six thousand, four hundred".