2861524420 has 12 divisors (see below), whose sum is σ = 6009201324. Its totient is φ = 1144609760.

The previous prime is 2861524403. The next prime is 2861524429. The reversal of 2861524420 is 244251682.

2861524420 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 926228356 + 1935296064 = 30434^2 + 43992^2 .

It is not an unprimeable number, because it can be changed into a prime (2861524429) 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, 71538091 + ... + 71538130.

It is an arithmetic number, because the mean of its divisors is an integer number (500766777).

Almost surely, 2^2861524420 is an apocalyptic number.

2861524420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2861524420 is an abundant number, since it is smaller than the sum of its proper divisors (3147676904).

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

2861524420 is a wasteful number, since it uses less digits than its factorization.

2861524420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143076230 (or 143076228 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 2861524420 is about 53493.2184486968. The cubic root of 2861524420 is about 1419.7084007466.

It can be divided in two parts, 28615 and 24420, that added together give a palindrome (53035).

The spelling of 2861524420 in words is "two billion, eight hundred sixty-one million, five hundred twenty-four thousand, four hundred twenty".