39898623204 has 144 divisors (see below), whose sum is σ = 114916838400. Its totient is φ = 11553769920.

The previous prime is 39898623199. The next prime is 39898623217. The reversal of 39898623204 is 40232689893.

It is a happy number.

39898623204 is a `hidden beast` number, since 3 + 9 + 8 + 9 + 8 + 623 + 2 + 0 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19007347 + ... + 19009445.

It is an arithmetic number, because the mean of its divisors is an integer number (798033600).

Almost surely, 2^39898623204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39898623204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57458419200).

39898623204 is an abundant number, since it is smaller than the sum of its proper divisors (75018215196).

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

39898623204 is a wasteful number, since it uses less digits than its factorization.

39898623204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 39898623204 in words is "thirty-nine billion, eight hundred ninety-eight million, six hundred twenty-three thousand, two hundred four".