2798020258 has 32 divisors (see below), whose sum is σ = 4744028160. Its totient is φ = 1226178000.

The previous prime is 2798020231. The next prime is 2798020261. The reversal of 2798020258 is 8520208972.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177253 + ... + 192391.

It is an arithmetic number, because the mean of its divisors is an integer number (148250880).

Almost surely, 2^2798020258 is an apocalyptic number.

2798020258 is a deficient number, since it is larger than the sum of its proper divisors (1946007902).

2798020258 is a wasteful number, since it uses less digits than its factorization.

2798020258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 2798020258 is about 52896.3161099145. The cubic root of 2798020258 is about 1409.1274815845.

The spelling of 2798020258 in words is "two billion, seven hundred ninety-eight million, twenty thousand, two hundred fifty-eight".