2645550336 has 432 divisors, whose sum is σ = 8887475520. Its totient is φ = 690094080.

The previous prime is 2645550331. The next prime is 2645550337. The reversal of 2645550336 is 6330555462.

2645550336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2645550294 and 2645550303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645550331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24271050 + ... + 24271158.

It is an arithmetic number, because the mean of its divisors is an integer number (20572860).

Almost surely, 2^2645550336 is an apocalyptic number.

2645550336 is a gapful number since it is divisible by the number (26) 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 2645550336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4443737760).

2645550336 is an abundant number, since it is smaller than the sum of its proper divisors (6241925184).

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

2645550336 is a wasteful number, since it uses less digits than its factorization.

2645550336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 2645550336 is about 51434.9135898953. The cubic root of 2645550336 is about 1383.0525329436.

The spelling of 2645550336 in words is "two billion, six hundred forty-five million, five hundred fifty thousand, three hundred thirty-six".