2856040620 has 48 divisors (see below), whose sum is σ = 8000989920. Its totient is φ = 761222656.

The previous prime is 2856040591. The next prime is 2856040657. The reversal of 2856040620 is 260406582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118126 + ... + 140234.

It is an arithmetic number, because the mean of its divisors is an integer number (166687290).

Almost surely, 2^2856040620 is an apocalyptic number.

2856040620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2856040620 is an abundant number, since it is smaller than the sum of its proper divisors (5144949300).

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

2856040620 is a wasteful number, since it uses less digits than its factorization.

2856040620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274 (or 24272 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2856040620 is about 53441.9369035218. The cubic root of 2856040620 is about 1418.8009152745.

The spelling of 2856040620 in words is "two billion, eight hundred fifty-six million, forty thousand, six hundred twenty".