2851388488 has 16 divisors (see below), whose sum is σ = 5757611580. Its totient is φ = 1316025408.

The previous prime is 2851388483. The next prime is 2851388509. The reversal of 2851388488 is 8848831582.

2851388488 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 2 ways, for example, as 2369937124 + 481451364 = 48682^2 + 21942^2 .

It is a super-2 number, since 2×2851388488² = 16260832618997852288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2851388483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13708495 + ... + 13708702.

Almost surely, 2^2851388488 is an apocalyptic number.

It is an amenable number.

2851388488 is an abundant number, since it is smaller than the sum of its proper divisors (2906223092).

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

2851388488 is a wasteful number, since it uses less digits than its factorization.

2851388488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27417216 (or 27417212 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 55.

The square root of 2851388488 is about 53398.3940582486. The cubic root of 2851388488 is about 1418.0301470405.

The spelling of 2851388488 in words is "two billion, eight hundred fifty-one million, three hundred eighty-eight thousand, four hundred eighty-eight".