4201809878 has 48 divisors (see below), whose sum is σ = 7726666464. Its totient is φ = 1705334400.

The previous prime is 4201809877. The next prime is 4201809907. The reversal of 4201809878 is 8789081024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201809877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218426 + ... + 236882.

It is an arithmetic number, because the mean of its divisors is an integer number (160972218).

Almost surely, 2^4201809878 is an apocalyptic number.

4201809878 is a deficient number, since it is larger than the sum of its proper divisors (3524856586).

4201809878 is a wasteful number, since it uses less digits than its factorization.

4201809878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597 (or 18590 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 4201809878 is about 64821.3689920230. The cubic root of 4201809878 is about 1613.6603674264.

The spelling of 4201809878 in words is "four billion, two hundred one million, eight hundred nine thousand, eight hundred seventy-eight".