4778938190 has 32 divisors (see below), whose sum is σ = 9270144576. Its totient is φ = 1763320320.

The previous prime is 4778938181. The next prime is 4778938223. The reversal of 4778938190 is 918398774.

It is a super-2 number, since 2×4778938190² = 45676500447680952200, which contains 22 as substring.

It is a congruent number.

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, 190055 + ... + 213725.

It is an arithmetic number, because the mean of its divisors is an integer number (289692018).

Almost surely, 2^4778938190 is an apocalyptic number.

4778938190 is a deficient number, since it is larger than the sum of its proper divisors (4491206386).

4778938190 is a wasteful number, since it uses less digits than its factorization.

4778938190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25244.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The square root of 4778938190 is about 69129.8646751171. The cubic root of 4778938190 is about 1684.3944605382.

The spelling of 4778938190 in words is "four billion, seven hundred seventy-eight million, nine hundred thirty-eight thousand, one hundred ninety".