2485689408 has 168 divisors, whose sum is σ = 7624568952. Its totient is φ = 771489792.

The previous prime is 2485689403. The next prime is 2485689443. The reversal of 2485689408 is 8049865842.

It can be written as a sum of positive squares in 4 ways, for example, as 1351885824 + 1133803584 = 36768^2 + 33672^2 .

It is not an unprimeable number, because it can be changed into a prime (2485689403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948516 + ... + 951132.

It is an arithmetic number, because the mean of its divisors is an integer number (45384339).

Almost surely, 2^2485689408 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 2485689408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3812284476).

2485689408 is an abundant number, since it is smaller than the sum of its proper divisors (5138879544).

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

2485689408 is a wasteful number, since it uses less digits than its factorization.

2485689408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 2485689408 is about 49856.6886987092. The cubic root of 2485689408 is about 1354.6141897095.

The spelling of 2485689408 in words is "two billion, four hundred eighty-five million, six hundred eighty-nine thousand, four hundred eight".