625779360 has 144 divisors (see below), whose sum is σ = 2165088744. Its totient is φ = 164560896.

The previous prime is 625779359. The next prime is 625779373. The reversal of 625779360 is 63977526.

It can be written as a sum of positive squares in 4 ways, for example, as 318408336 + 307371024 = 17844^2 + 17532^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 102144 + ... + 108096.

Almost surely, 2^625779360 is an apocalyptic number.

625779360 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 625779360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082544372).

625779360 is an abundant number, since it is smaller than the sum of its proper divisors (1539309384).

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

625779360 is a wasteful number, since it uses less digits than its factorization.

625779360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047 (or 6036 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 625779360 is about 25015.5823438112. The cubic root of 625779360 is about 855.3432088835.

The spelling of 625779360 in words is "six hundred twenty-five million, seven hundred seventy-nine thousand, three hundred sixty".