625980627640680 has 512 divisors, whose sum is σ = 2146789440552960. Its totient is φ = 144902104657920.

The previous prime is 625980627640603. The next prime is 625980627640691. The reversal of 625980627640680 is 86046726089526.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1407972577 + ... + 1408417103.

It is an arithmetic number, because the mean of its divisors is an integer number (4192948126080).

Almost surely, 2^{625980627640680} is an apocalyptic number.

625980627640680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625980627640680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073394720276480).

625980627640680 is an abundant number, since it is smaller than the sum of its proper divisors (1520808812912280).

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

625980627640680 is a wasteful number, since it uses less digits than its factorization.

625980627640680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445409 (or 445405 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 69.

The spelling of 625980627640680 in words is "six hundred twenty-five trillion, nine hundred eighty billion, six hundred twenty-seven million, six hundred forty thousand, six hundred eighty".