4778352140 has 24 divisors (see below), whose sum is σ = 10113556992. Its totient is φ = 1896289920.

The previous prime is 4778352133. The next prime is 4778352169. The reversal of 4778352140 is 412538774.

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, 938081 + ... + 943160.

It is an arithmetic number, because the mean of its divisors is an integer number (421398208).

Almost surely, 2^4778352140 is an apocalyptic number.

It is an amenable number.

4778352140 is an abundant number, since it is smaller than the sum of its proper divisors (5335204852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4778352140 is a wasteful number, since it uses less digits than its factorization.

4778352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881377 (or 1881375 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 4778352140 is about 69125.6257837859. The cubic root of 4778352140 is about 1684.3256042575.

The spelling of 4778352140 in words is "four billion, seven hundred seventy-eight million, three hundred fifty-two thousand, one hundred forty".