2851486420 has 12 divisors (see below), whose sum is σ = 5988121524. Its totient is φ = 1140594560.

The previous prime is 2851486411. The next prime is 2851486453. The reversal of 2851486420 is 246841582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 505440324 + 2346046096 = 22482^2 + 48436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71287141 + ... + 71287180.

It is an arithmetic number, because the mean of its divisors is an integer number (499010127).

Almost surely, 2^2851486420 is an apocalyptic number.

2851486420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2851486420 is an abundant number, since it is smaller than the sum of its proper divisors (3136635104).

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

2851486420 is a wasteful number, since it uses less digits than its factorization.

2851486420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142574330 (or 142574328 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 2851486420 is about 53399.3110442448. The cubic root of 2851486420 is about 1418.0463811126.

The spelling of 2851486420 in words is "two billion, eight hundred fifty-one million, four hundred eighty-six thousand, four hundred twenty".