2028842378 has 16 divisors (see below), whose sum is σ = 3151042560. Its totient is φ = 978558000.

The previous prime is 2028842359. The next prime is 2028842411. The reversal of 2028842378 is 8732488202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51563 + ... + 81953.

It is an arithmetic number, because the mean of its divisors is an integer number (196940160).

Almost surely, 2^2028842378 is an apocalyptic number.

2028842378 is a deficient number, since it is larger than the sum of its proper divisors (1122200182).

2028842378 is a wasteful number, since it uses less digits than its factorization.

2028842378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31573.

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 2028842378 is about 45042.6728558597. The cubic root of 2028842378 is about 1265.9486867204.

The spelling of 2028842378 in words is "two billion, twenty-eight million, eight hundred forty-two thousand, three hundred seventy-eight".