625244928 has 288 divisors, whose sum is σ = 2115294720. Its totient is φ = 159252480.

The previous prime is 625244839. The next prime is 625244929. The reversal of 625244928 is 829442526.

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

It is a self number, because there is not a number n which added to its sum of digits gives 625244928.

It is not an unprimeable number, because it can be changed into a prime (625244929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5736138 + ... + 5736246.

Almost surely, 2^625244928 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 625244928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057647360).

625244928 is an abundant number, since it is smaller than the sum of its proper divisors (1490049792).

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

625244928 is a wasteful number, since it uses less digits than its factorization.

625244928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 229 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 625244928 is about 25004.8980801762. The cubic root of 625244928 is about 855.0996443492.

The spelling of 625244928 in words is "six hundred twenty-five million, two hundred forty-four thousand, nine hundred twenty-eight".