2385528140 has 24 divisors (see below), whose sum is σ = 5038573680. Its totient is φ = 948694208.

The previous prime is 2385528127. The next prime is 2385528163. The reversal of 2385528140 is 418255832.

It is a junction number, because it is equal to n+sod(n) for n = 2385528094 and 2385528103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341270 + ... + 348189.

It is an arithmetic number, because the mean of its divisors is an integer number (209940570).

Almost surely, 2^2385528140 is an apocalyptic number.

2385528140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2385528140 is an abundant number, since it is smaller than the sum of its proper divisors (2653045540).

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

2385528140 is a wasteful number, since it uses less digits than its factorization.

2385528140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689641 (or 689639 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 2385528140 is about 48841.8687193682. The cubic root of 2385528140 is about 1336.1693784977.

The spelling of 2385528140 in words is "two billion, three hundred eighty-five million, five hundred twenty-eight thousand, one hundred forty".