2855142628 has 24 divisors (see below), whose sum is σ = 5614797888. Its totient is φ = 1260463776.

The previous prime is 2855142613. The next prime is 2855142659. The reversal of 2855142628 is 8262415582.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1192426 + ... + 1194817.

It is an arithmetic number, because the mean of its divisors is an integer number (233949912).

Almost surely, 2^2855142628 is an apocalyptic number.

It is an amenable number.

2855142628 is a deficient number, since it is larger than the sum of its proper divisors (2759655260).

2855142628 is a wasteful number, since it uses less digits than its factorization.

2855142628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387283 (or 2387281 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 2855142628 is about 53433.5346762686. The cubic root of 2855142628 is about 1418.6522006032.

The spelling of 2855142628 in words is "two billion, eight hundred fifty-five million, one hundred forty-two thousand, six hundred twenty-eight".