2585156330 has 16 divisors (see below), whose sum is σ = 4779046440. Its totient is φ = 1006114752.

The previous prime is 2585156311. The next prime is 2585156339. The reversal of 2585156330 is 336515852.

2585156330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1751506201 + 833650129 = 41851^2 + 28873^2 .

It is not an unprimeable number, because it can be changed into a prime (2585156339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3493085 + ... + 3493824.

Almost surely, 2^2585156330 is an apocalyptic number.

2585156330 is a deficient number, since it is larger than the sum of its proper divisors (2193890110).

2585156330 is a wasteful number, since it uses less digits than its factorization.

2585156330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986953.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2585156330 is about 50844.4326352453. The cubic root of 2585156330 is about 1372.4470676985.

The spelling of 2585156330 in words is "two billion, five hundred eighty-five million, one hundred fifty-six thousand, three hundred thirty".