2445321606 has 64 divisors (see below), whose sum is σ = 6035893248. Its totient is φ = 643137408.

The previous prime is 2445321589. The next prime is 2445321607. The reversal of 2445321606 is 6061235442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445321607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197655 + ... + 209661.

It is an arithmetic number, because the mean of its divisors is an integer number (94310832).

Almost surely, 2^2445321606 is an apocalyptic number.

2445321606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445321606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017946624).

2445321606 is an abundant number, since it is smaller than the sum of its proper divisors (3590571642).

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

2445321606 is a wasteful number, since it uses less digits than its factorization.

2445321606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2445321606 is about 49450.1931846580. The cubic root of 2445321606 is about 1347.2411158041.

The spelling of 2445321606 in words is "two billion, four hundred forty-five million, three hundred twenty-one thousand, six hundred six".