204002310040 has 32 divisors (see below), whose sum is σ = 460283796000. Its totient is φ = 81373617664.

The previous prime is 204002310023. The next prime is 204002310041. The reversal of 204002310040 is 40013200402.

It is a junction number, because it is equal to n+sod(n) for n = 204002309996 and 204002310023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002310041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7088785 + ... + 7117504.

It is an arithmetic number, because the mean of its divisors is an integer number (14383868625).

Almost surely, 2^204002310040 is an apocalyptic number.

204002310040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204002310040 is an abundant number, since it is smaller than the sum of its proper divisors (256281485960).

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

204002310040 is a wasteful number, since it uses less digits than its factorization.

204002310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206659 (or 14206655 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 204002310040 its reverse (40013200402), we get a palindrome (244015510442).

The spelling of 204002310040 in words is "two hundred four billion, two million, three hundred ten thousand, forty".