39684477228 has 24 divisors (see below), whose sum is σ = 101015033280. Its totient is φ = 12025599120.

The previous prime is 39684477199. The next prime is 39684477233. The reversal of 39684477228 is 82277448693.

It is a happy 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, 150319858 + ... + 150320121.

It is an arithmetic number, because the mean of its divisors is an integer number (4208959720).

Almost surely, 2^39684477228 is an apocalyptic number.

It is an amenable number.

39684477228 is an abundant number, since it is smaller than the sum of its proper divisors (61330556052).

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

39684477228 is a wasteful number, since it uses less digits than its factorization.

39684477228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300639997 (or 300639995 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The spelling of 39684477228 in words is "thirty-nine billion, six hundred eighty-four million, four hundred seventy-seven thousand, two hundred twenty-eight".