2856455836 has 48 divisors (see below), whose sum is σ = 5694502464. Its totient is φ = 1243731456.

The previous prime is 2856455831. The next prime is 2856455863. The reversal of 2856455836 is 6385546582.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856455831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70950 + ... + 103666.

It is an arithmetic number, because the mean of its divisors is an integer number (118635468).

Almost surely, 2^2856455836 is an apocalyptic number.

2856455836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2856455836 is a deficient number, since it is larger than the sum of its proper divisors (2838046628).

2856455836 is a wasteful number, since it uses less digits than its factorization.

2856455836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32830 (or 32828 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The square root of 2856455836 is about 53445.8215017788. The cubic root of 2856455836 is about 1418.8696678324.

The spelling of 2856455836 in words is "two billion, eight hundred fifty-six million, four hundred fifty-five thousand, eight hundred thirty-six".