625164288 has 240 divisors, whose sum is σ = 2013204480. Its totient is φ = 168689664.

The previous prime is 625164233. The next prime is 625164313. The reversal of 625164288 is 882461526.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7913433 + ... + 7913511.

It is an arithmetic number, because the mean of its divisors is an integer number (8388352).

Almost surely, 2^625164288 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 625164288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006602240).

625164288 is an abundant number, since it is smaller than the sum of its proper divisors (1388040192).

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

625164288 is an equidigital number, since it uses as much as digits as its factorization.

625164288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 114 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 625164288 is about 25003.2855441040. The cubic root of 625164288 is about 855.0628810495.

The spelling of 625164288 in words is "six hundred twenty-five million, one hundred sixty-four thousand, two hundred eighty-eight".