625553335140 has 192 divisors, whose sum is σ = 1858938681600. Its totient is φ = 156904667136.

The previous prime is 625553335129. The next prime is 625553335229. The reversal of 625553335140 is 41533355526.

It is a junction number, because it is equal to n+sod(n) for n = 625553335092 and 625553335101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29094234 + ... + 29115726.

It is an arithmetic number, because the mean of its divisors is an integer number (9681972300).

Almost surely, 2^625553335140 is an apocalyptic number.

625553335140 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 625553335140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929469340800).

625553335140 is an abundant number, since it is smaller than the sum of its proper divisors (1233385346460).

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

625553335140 is a wasteful number, since it uses less digits than its factorization.

625553335140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966 (or 21964 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 625553335140 in words is "six hundred twenty-five billion, five hundred fifty-three million, three hundred thirty-five thousand, one hundred forty".