4149042878 has 16 divisors (see below), whose sum is σ = 6393703680. Its totient is φ = 2017842336.

The previous prime is 4149042869. The next prime is 4149042881. The reversal of 4149042878 is 8782409414.

It is a congruent number.

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, 326243 + ... + 338721.

It is an arithmetic number, because the mean of its divisors is an integer number (399606480).

Almost surely, 2^4149042878 is an apocalyptic number.

4149042878 is a deficient number, since it is larger than the sum of its proper divisors (2244660802).

4149042878 is a wasteful number, since it uses less digits than its factorization.

4149042878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 4149042878 is about 64413.0644978175. The cubic root of 4149042878 is about 1606.8770239791.

The spelling of 4149042878 in words is "four billion, one hundred forty-nine million, forty-two thousand, eight hundred seventy-eight".