2085450136 has 64 divisors (see below), whose sum is σ = 4929984000. Its totient is φ = 803362560.

The previous prime is 2085450097. The next prime is 2085450139. The reversal of 2085450136 is 6310545802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085450139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35805 + ... + 73843.

It is an arithmetic number, because the mean of its divisors is an integer number (77031000).

Almost surely, 2^2085450136 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 2085450136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2464992000).

2085450136 is an abundant number, since it is smaller than the sum of its proper divisors (2844533864).

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

2085450136 is a wasteful number, since it uses less digits than its factorization.

2085450136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38152 (or 38148 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2085450136 is about 45666.7289829259. The cubic root of 2085450136 is about 1277.6148077932.

Adding to 2085450136 its reverse (6310545802), we get a palindrome (8395995938).

The spelling of 2085450136 in words is "two billion, eighty-five million, four hundred fifty thousand, one hundred thirty-six".