2645625000 has 256 divisors, whose sum is σ = 8859352320. Its totient is φ = 656000000.

The previous prime is 2645624987. The next prime is 2645625013. The reversal of 2645625000 is 5265462.

It is an interprime number because it is at equal distance from previous prime (2645624987) and next prime (2645625013).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31874959 + ... + 31875041.

It is an arithmetic number, because the mean of its divisors is an integer number (34606845).

Almost surely, 2^2645625000 is an apocalyptic number.

2645625000 is a gapful number since it is divisible by the number (20) 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 2645625000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4429676160).

2645625000 is an abundant number, since it is smaller than the sum of its proper divisors (6213727320).

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

2645625000 is an frugal number, since it uses more digits than its factorization.

2645625000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2645625000 is about 51435.6393952676. The cubic root of 2645625000 is about 1383.0655438801.

The spelling of 2645625000 in words is "two billion, six hundred forty-five million, six hundred twenty-five thousand".